EXISTENTIAL GROUND · TIME AND CHRONOLOGY

Time, Chronology, and the Persistent Present

Time is the readable order and comparative pacing of reality changing.

Matthew Tripp Zejda

A clock accumulates changes. A record carries consequences. A forecast represents what may follow. These are real features of the present, but they are not all the same relation, and none becomes a second world merely because we draw it on a timeline. I follow them into an account of one complete actuality and its continuation, keeping the past’s reality, the future’s dependence, and our own causal participation intact.

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Time is not a place reality sits inside

The following account develops Chapter 8 of Existential Ground. Its formal time-container treatment appears below, alongside the source conditions it inherits. ^[1] ^[2]

In Existential Ground, Chapter 5 removed absolute nonbeing as a state, source, destination, or rival reality. Chapter 6 distinguished an open rule of continuation from a completed physical infinity under the finite-present premise. Chapter 7 preserved causal ancestry while showing why a map of that ancestry cannot become the engine or existential ground of the present.

Together, these arguments change what we should ask of time. Reality doesn’t emerge from a null state, and local succession doesn’t need an infinite historical task to finish before the present can obtain. Earlier conditions matter through what they produce and what their successors inherit. They don’t need to remain behind the present as a second object pushing it forward. What, then, is time once those additional objects are removed?

We’ve pictured time as a river carrying events, a line containing every moment, a dimension spread beside space, a growing archive, a branching tree, a wheel, a spotlight, and a universal clock. Each picture preserves something recognizable about order, change, memory, recurrence, anticipation, measurement, or causal succession. Aristotle tied time to motion and the order of before and after. Augustine asked how past and future are available through memory and expectation. McTaggart separated tense from relations of earlier and later, while relativity showed that clock readings and distant simultaneity assignments depend on physical relations rather than one universal Newtonian clock. ^[5][6][7][8]

The difficulty begins when a useful way of describing those relations becomes an independently existing place in which reality is supposed to sit.

That’s the account I’ll defend through PPD. I want to understand what the major pictures of time successfully preserve, what each adds to those successes, and whether the added structure performs work that the relations themselves cannot do. The present-only premise matters to this comparison. It isn’t a conclusion I can obtain merely by pointing at a clock or noticing that I’m experiencing something now.

What a theory of time must actually explain

Putting events on an axis gives us a representation of their order. A fuller account also has to explain how intervals are measured, how records differ from forecasts, and how causes bear on what follows. If becoming is real, the account must explain what it means for a state to become actual. Even an account that rejects objective becoming must explain the occurrences through which that appearance is experienced and investigated. These are seven connected burdens, and keeping them distinct lets us see what a proposed answer has actually explained.

The seven burdens of a theory of time
Burden	What must be explained	What is not enough
Order	Why one event is earlier or later than another	Drawing events from left to right
Pacing	Why clocks and processes accumulate different intervals	Naming an external flow called time
Records	Why the present carries evidence of prior states	Declaring the past still exists somewhere
Anticipation	Why finite agents can model several outcomes	Declaring every modeled outcome already actual
Causal direction	Why source conditions constrain successors rather than the reverse	Labeling one coordinate “earlier”
Becoming	Why a state that did not obtain becomes the actuality that does	Displaying variation inside a completed object
Presentness	Why all evidence, experience, intervention, and theory occur as current actuality	Calling presentness an illusion without explaining the occurrence of the illusion

The inherited word time often combines all seven jobs until they seem to require one substance behind them. Separating the jobs makes the question more manageable. Order marks relations of earlier and later, while pacing compares physical processes. Records are present structures shaped by prior conditions, and predictions are present models of possible successors. Causal direction concerns the difference-making inheritance through which a source constrains what follows. In the account I’m defending, becoming is the resolution of one complete actuality into another. Presentness concerns the actuality through which these relations can obtain, be measured, be experienced, or be denied.

I therefore want to know whether finite states, physical clocks, causal inheritance, and present resolution can do the relevant temporal work. If they can, a second medium surrounding reality needs a reason of its own.

Order and pacing before the time-container

Before we reach for a temporal container, we can begin with familiar changes. Day follows night, organisms grow, wounds heal, bodies move, and stars change position. Memories accumulate as causes leave consequences. Repeated processes become clocks because we can use the changes in one system to compare those in another.

That order can be written schematically as

$E_a \prec E_b,$

meaning that event $E_a$ is prior to event $E_b$ in the relevant causal or chronological relation.

A clock adds a pacing comparison. Two clocks participating in different physical conditions may accumulate different readings, so we can have

$\Delta\tau_A \neq \Delta\tau_B.$

Neither statement requires an invisible fluid flowing past the events. The first reports order, and the second reports a difference between the intervals accumulated by two physical processes under their respective conditions.

A clock gives us a physical system whose states we can distinguish. A pendulum changes position, a quartz crystal oscillates, and an atomic transition supplies a repeatable reference. A digital counter can store the accumulated result. What you read now is a present state of the clock carrying the consequences of its prior transitions. The reading doesn’t require the clock to contain a substance called time.

A stopped clock doesn’t stop the universe. Nor do differing readings mean that either clock has left reality. The processes being compared have accumulated their readings through their own physical participation in changing relations.

Aristotle’s connection between time, motion, and the order of before and after remains useful here. So does Augustine’s distinction between memory and expectation. What we have of the past is available through a present memory or record, while our anticipation of the future is also something occurring now. ^[5][6]

FROM ORDER TO THE COSMIC CLOCK

Aristotle treated time as the number or measure of motion with respect to before and after. That account didn’t make time a free-standing substance, although it left a question about temporal order when no one is counting. Augustine brought the problem into the experience of remembering and expecting. In Book XI of the Confessions, he asked how we can speak of a past that’s no longer present and a future that’s not yet present. He located their availability to us in present memory, attention, and expectation. I don’t need to adopt his theology to retain that insight. Remembering an event and anticipating another are acts occurring now. ^{[5; book IV]} ^{[6; book XI]}

Newton gave the contrasting tendency its clearest classical form. In the Scholium to the Definitions of the Principia, he distinguished relative time measured by motion from absolute, true, mathematical time, which he treated as flowing uniformly without relation to anything external. That architecture helped make a universal mechanics possible. Its success in calculation didn’t by itself establish absolute time as an independently existing carrier around the physical systems being calculated. ^{[9; Scholium to the Definitions]}

Leibniz answered through relations among things. In his correspondence with Samuel Clarke, he described time as an order of successions, just as space is an order of coexistences. I don’t adopt his broader metaphysics here, but the dispute brings the choice into focus. Is time a substance that would remain without changing things, or is temporal structure carried by relations among states and events? We can keep Newton’s discipline of measurement while taking seriously Leibniz’s warning against making the measure another object. ^{[10; third paper, sec. 4]}

The loss of one universal clock gives us a reason to examine the relational account more closely. Pacing belongs to systems, synchronization requires declared procedures, and intervals are measured along physical paths under their actual conditions. We can describe those relations without adding time as another object beside them. Whether the resulting ontology is adequate still depends on the rest of the account.

Flowing time and the invisible current

The river picture preserves genuine succession. One event gives way to another, and the present doesn’t remain frozen. We say that time flows, passes, or moves because those words convey the continuity we experience. The question changes when the flow is asked to act as a separate physical cause.

If time itself flows, what measures its rate? Saying that it flows at one second per second restates the unit without identifying a mechanism. Introducing another time to measure the first flow postpones the same question and begins a regress of temporal measures.

We should distinguish the two roles that flow can play in this explanation. It can name the succession of physical states, in which case the transition supplies the work we wanted to understand. Or it can refer to an additional process independent of those changes. An account proposing that process owes us a carrier, a source, a law, and evidence for assigning it a causal role.

The moving-spotlight picture brings out the same problem. If a spotlight moves across moments that already exist, the account assumes a completed temporal stage and adds another motion to explain. If the spotlight simply names the arrival of each new actuality, it’s a metaphor for present resolution. If it is meant as something further that creates that actuality, its own action still needs an explanation.

We don’t have to deny succession to question that extra cause. We have to explain the transition itself, including whatever really contributes to it.

TENSE, ORDER, AND DURATION

McTaggart’s 1908 argument distinguished two ways of ordering events. The A-series describes them as future, present, and past, while the B-series relates them as earlier than or later than one another. He argued that B-series relations alone don’t supply change and that the A-series generates a contradiction when those incompatible temporal determinations are assigned to the same events. His conclusion was that time is unreal. I retain the distinction between tense and order, but I don’t accept that conclusion. An ordered map doesn’t, by itself, explain becoming. Nor does a difficulty in describing tense erase the actual occurrences an account of time must explain. ^[7]

Bergson approached the problem through lived duration. He warned that homogeneous clock time can spatialize succession by laying moments out like points on a line, while experience carries a qualitative continuity in which states interpenetrate and accumulate. In Duration and Simultaneity, he confronted Einsteinian relativity directly. I’m not adopting his physical objections or treating private experience as a replacement for clock science. I’m retaining the distinction among measured interval, represented order, and lived becoming. A clock can be right about its reading while the relation between that reading and our experience still calls for explanation. ^[11]

Growing blocks and unexplained moving edges

The growing-block picture holds that the past and present are real while the future is not yet real. As events become actual, the block grows. Unlike a completed tenseless block, it leaves the future unactualized. You can see the appeal of preserving history while allowing something new to arrive.

But what makes the edge advance, and what distinguishes it from every earlier state retained in the block? Retaining those states doesn’t explain the arrival of a successor. The view retains the original past events, not copies of them. That continued actuality is the additional claim PPD disputes: a current record and its former source are different things, and establishing the record doesn’t establish that its source still obtains.

Branches, possibilities, and represented alternatives

The branching-future picture begins with something familiar to any finite agent trying to decide what to do. You can consider several alternatives even though you don’t know which outcome will follow.

We deliberate, simulate, and draw decision trees because a model can help us compare possible consequences. It may return several outcomes because its information is incomplete, its description is coarse-grained, its rules are probabilistic, or its purpose is to explore a counterfactual.

A present model can assign a family of candidate successors, represented here by

$\mathcal{M}(\mathcal{P}) = \{\mathcal{P}'_1,\mathcal{P}'_2,\ldots,\mathcal{P}'_k\}.$

That set can be extremely useful. It can represent uncertainty, contingency under different inputs, or the range of outcomes compatible with a partial description.

The branches belong to the model. Their presence there doesn’t establish that all the represented outcomes are co-actual worlds.

PPD makes a different claim about actual succession, written as

$\mathcal{P}' = \mathcal{R}(\mathcal{P}\mid\Gamma).$

Under its single-successor premise, one complete successor obtains. The other represented outcomes remain unrealized alternatives, counterfactuals, or artifacts of incomplete information unless a separate argument establishes literal multiplicity. The distinction between a representation and its referent tells us why a branching map isn’t enough to establish branching reality. It doesn’t, on its own, prove the deterministic premise.

That distinction matters when you consider your own decisions. Deliberation can be caused and still contribute to what follows. The process of comparing options is one of the present causes through which a successor resolves. A future doesn’t have to exist already for the current state and its complete constraints to determine it.

A defender of literal branching may appeal to a specific physical interpretation, especially in quantum theory. That debate has its own mathematical and empirical burdens. The narrower result here is that a possibility tree, probability distribution, or counterfactual model cannot establish co-actual worlds merely by representing more than one outcome.

That is Chapter 4’s Category-Crossing Burden applied to temporal possibility.

Cycles and the failure of circular grounding

Cyclic pictures preserve recurrence. Orbits repeat, oscillations return, seasons recur, biological systems reproduce, and societies revisit patterns. A physical system may return close to an earlier configuration. Resemblance between those states doesn’t require the earlier occurrence to remain available as a temporal place.

When a pattern recurs through ordinary succession, it occurs again. The second orbit isn’t the first orbit still existing, and the next heartbeat isn’t the previous heartbeat revisited. Even a reconstructed configuration would be produced through new present conditions. Its resemblance to an earlier state wouldn’t make it the earlier occurrence.

A proposed literal temporal loop is a further claim. As the regress argument established, circular borrowing doesn’t ground the members of a circle merely by linking them to one another. A recurrence relation therefore cannot, just by closing on itself, explain why the loop exists, what supplies its physical differences, or why its transitions occur. That was the grounding distinction established in Chapter 7.

Local cycles remain compatible with the persistent present. The excluded step is to make a drawn cycle existentially self-grounding or to treat it as evidence that an infinity of revolutions has already been completed. Those claims add burdens that recurrence itself doesn’t satisfy.

What relativity establishes

Relativity gives us a physical account of clock relations, motion, gravitation, signals, and invariant structure. Its results constrain any account of time that claims to describe our world, including mine.

There is no single frame-independent Newtonian clock whose reading every observer must share. Distant simultaneity assignments depend on frame and synchronization procedure. Clocks following different physical paths or occupying different gravitational conditions can accumulate different intervals. Spacetime geometry represents invariant relations among events and allows us to calculate them. ^[12]

Those results challenge the familiar picture of a universal external meter flowing identically everywhere. The historical argument for a stronger ontology adds another step.

CLOCK RELATIONS AND ONTOLOGICAL CLAIMS

Einstein’s 1905 paper defined distant simultaneity through specified clock-synchronization and light-signal procedures. The clocks remained real, but simultaneity between separated events could no longer be treated as one observer-independent Newtonian fact. Minkowski’s 1908 lecture brought the relativistic relations together in a four-dimensional geometric representation built from worldlines, intervals, and invariant structure. That language made the relations visible and calculable within one coherent account. ^[8][13]

Rietdijk and Putnam argued that relativity of simultaneity puts pressure on a present-only ontology. If events counted as present or past for admissible observers are real, and reality cannot vary merely with an observer’s motion, events outside one observer’s present appear to acquire equal reality. That inference toward eternalism depends on the connection it draws between simultaneity and what exists. ^[14][15]

That inference remains distinct from the empirical theory. Howard Stein challenged the claim that special relativity straightforwardly forces a completed global block and emphasized the local causal structure available within relativistic spacetime. Relativity constrains relations among clocks, signals, and events. Moving from those relations to equal actuality for every represented event requires an ontological argument whose premises can be examined. ^[16]

We can therefore retain the relativistic results while asking what would justify the additional claim that every represented event is equally actual.

Relativistic results and their ontological limits
Relativistic result	What is retained	What does not follow without another proof
Relativity of distant simultaneity	No universal frame-independent synchronization of distant clocks	Every represented event is co-actual
Differential clock accumulation	Physical clocks can record different intervals along different paths or conditions	Time is a substance or all clock readings already coexist
Spacetime geometry	A powerful model of interval, causal, and gravitational relations	The completed manifold is identical to total existential reality
Causal cones and signal limits	Constraints on which events can influence which others	Future events already exist because their coordinates can be represented
Covariant equations	Physical laws retain their proper form across coordinate descriptions	One coordinate-independent block ontology has been empirically observed

This is where the distinction between coordinate simultaneity and ontological actuality becomes essential to my argument.

PPD doesn’t assign every observer the same coordinate time for every distant event, and it doesn’t define the present through a hidden universal clock that all observers could read. Its claim is that whatever obtains belongs to one complete actuality, with clocks and coordinate systems realized within it.

A coordinate hypersurface is a modeling object. I don’t define the present as one observer’s preferred slice through a manifold. I mean the actuality that obtains and carries causal structure. Saying this distinguishes the claims, but it doesn’t yet supply a physical construction that reconciles every part of that ontology with relativity. Any such construction must preserve the successful clock, signal, and interval relations.

I have to defend the complete-present claim through the connected argument. Relativity’s empirical success supports the relations it tests; claiming that support for my ontology would require showing why the measurements discriminate in its favor.

RSI proposes a physical implementation of this distinction by introducing time after the state solve as a pacing and sequence readout. It doesn’t begin with time as a primitive container or a privileged clock. I’ll examine that proposal in Chapter 13, where its physical and empirical burdens remain distinct from the ontological case developed here. ^[17]

Why representation does not establish co-actuality

Block ontology asserts that the events represented across a complete four-dimensional spacetime are equally actual. The whole doesn’t change; change is variation across its temporal coordinates. A person is young at one location and old at another. The representation can contain ordered differences, causal relations, counterfactual dependence, and asymmetries. It is not a featureless state.

My objection concerns the added claim of equal actuality. Representing those relations doesn’t establish that a state which has not yet occurred is already actual. If every represented state already obtains, becoming is interpreted through relations and perspectives within the completed whole. If a state instead acquires actuality it previously lacked, that whole was not complete in the asserted sense. The first position rejects the objective becoming PPD affirms; naming it doesn’t supply the argument for its additional commitment.

Theories, measurements, and denials of passage are themselves occurrences. Chapter 3 established that calling an occurrence illusory doesn’t remove it. ERP alone doesn’t establish objective becoming or settle which moments are actual. The account still has to explain the experienced succession, its records, causal relations, and apparent direction.

I take the evidence of succession together with the finite-present architecture and the preceding distinctions between actual states and their representations. On those premises, the temporal work belongs to actual states and their succession; it doesn’t require earlier and later states to remain equally actual. Shared clock relations and geometrical calculations don’t independently establish that addition. This is why I reject block ontology under the Category-Crossing Burden developed in Chapter 4. A challenge must address the relevant premise or inference; asserting co-actuality requires a reason beyond the representation. Appendix A makes the argument’s dependence on PPD explicit.

TWO DIFFERENT TIME CLAIMS IN FILM

Interstellar makes the distinction between clock physics and temporal ontology visible through its characters. They age by different amounts because they follow different physical paths through extreme gravitational and kinematic conditions. That dramatizes differential clock accumulation, a real relativistic effect. The later tesseract sequence adds fictional access to many moments as if they were locations in a higher-dimensional archive. Kip Thorne’s scientific companion helps distinguish established relativity from the speculative elements of the story. ^[18][19]

Arrival, adapted from Ted Chiang’s “Story of Your Life,” uses language and altered cognition to present a life as though its moments were available in a nonsequential whole. The story makes determinism, foreknowledge, grief, and choice emotionally intelligible. That is part of its value. ^[20]

These stories connect questions about time with foreknowledge, grief, and choice. Their emotional force doesn’t erase the evidential boundary: different clock accumulation is a measured physical result; fictional access to past or future moments does not inherit that support.

The lived present is evidence

You may have encountered the suggestion that the present is merely a feeling which a serious theory should explain away. The feeling deserves examination, but it isn’t the only thing an explanation has to account for.

An observation occurs, an instrument carries a reading, a memory is realized, and a prediction is formed. We can disagree about their temporal interpretation without denying that there are occurrences to explain.

I’m not treating intuition as infallible. We can misjudge duration, order, and simultaneity. A drug, injury, dream, or extreme situation can distort temporal experience. Those errors concern the content or organization of an experience that still occurs. ERP secures that minimum without deciding every claim about the experience’s carrier or the temporal structure of the wider world.

An account of time must explain why experience is encountered as current, how records are related to earlier conditions, how predictions are formed, and how interventions bear on what follows. PPD answers through one present configuration carrying inherited effects and resolving into its successor. An alternative may explain the same occurrences differently, but naming the difference doesn’t finish the explanation.

Calling now an indexical explains how a description can refer to the event or perspective from which it is made. It doesn’t, by itself, settle whether actuality belongs only to a present configuration or equally to all represented moments. That’s the ontological dispute, and it requires the further argument.

Similarly, calling passage an illusion leaves a real occurrence to account for. Within the physical account, that means explaining the processes, causal history, and consequences through which the appearance arises.

Causal direction and present inheritance

Placing an event at an earlier coordinate doesn’t yet show what it caused. For that we need source structure that makes a difference to what follows. In PPD, a successor inherits constraints, allocations, records, and unresolved relations from its source. The causal work lies in that inheritance.

We encounter records produced by prior events and predictions generated from current models. PPD understands the difference through their formation. A record carries the effects of something that happened, while a forecast uses present information to model a successor. Neither is infallible. Records can be damaged or misread, and a prediction can fail when the model leaves out a relevant condition. A correct prediction still isn’t the predicted event already occurring.

An intervention also operates through present conditions. It can alter what contributes to the next resolution, including effects inherited from much earlier events. Under the present-only account, it doesn’t reach back and modify a former state as though that state remained actively available.

We can write the distinction between records and predictions as

$\rho(\mathcal{P}) = \text{present structure inherited from prior resolution},$

while

$\mathcal{M}_{\mathrm{future}}(\mathcal{P}) = \text{present structure modeling possible continuation}.$

A record and a prediction are both real now, but what they represent has a different relation to their formation. Prior conditions have already contributed to the record. A prediction exists because the current state supports a model of what may follow. The reality of either representation must be distinguished from the reality and timing of what it represents.

In PPD, causal inheritance does more than locate one coordinate before another. It supplies the source structure through which a successor resolves. This gives determinism a meaning distinct from a future stored in advance. A complete present and its constraints can determine a successor without that successor existing already as a finished region.

Consider the difference through familiar examples. A seed carries causal structure that contributes to a plant’s development, together with the conditions in which it grows. It doesn’t contain the fully actual future tree. A calculation can determine an answer without the completed calculation already existing as a physical event. In the same way, your deliberation can have causes and still be one of the causes shaping what follows. In each case, specifying what produces a result differs from saying the result is already actual.

Persistent Present Determinism

PPD brings these distinctions together in an account of one complete present and its lawful continuation. I develop its formal argument in Existential Logicism. Here I retain its present-only and deterministic commitments while keeping the local scope established by the preceding closures. ^[21][22]

Let $\mathcal{P}$ denote the complete actuality that obtains. Its records, inherited constraints, and present consequences are written as $\rho(\mathcal{P})$ . A present model of a possible past reconstruction, future continuation, or counterfactual alternative is written as $\mathcal{M}_i(\mathcal{P})$ . The distinction lets us discuss the reality of a representation without automatically granting actuality to what it represents.

Using $\mathcal{R}$ for the lawful resolution of the present configuration into its successor, we write

$\mathcal{P}' = \mathcal{R}\!\left(\mathcal{P}\mid\Gamma\right).$

This is a local, present-indexed relation. It doesn’t require one completed set containing every past and future state, a universal coordinate clock, or an observer able to reconstruct the entire present from a single frame. Completeness concerns what actually obtains. It doesn’t mean that anyone knows it completely. Finiteness remains the declared premise about the independently realized degrees of freedom of each present, rather than a conclusion drawn from the limits of someone’s imagination.

The account makes four connected claims. First, one complete actuality obtains. Whatever exists, acts, measures, experiences, or constrains belongs to that configuration. Prior states were real when they obtained, and the present carries their effects, records, and transformed consequences. Their reality then doesn’t depend on our ability to reconstruct them now.

The future, in turn, is constrained through the present. Models and possibilities exist as present structures, while the successor becomes actual through resolution. Time describes the order and comparative pacing of that continuance. It doesn’t add a second medium around the states and processes being described.

The deterministic commitment needs its own precision. Given the same complete state and the same complete constraints, the account requires the same successor. Merely observing that one outcome happened wouldn’t establish that stronger claim. I’m retaining it as PPD’s deterministic premise, through which apparent branching belongs to finite models unless a physical multiplicity is independently demonstrated.

Interventions, choices, learning, errors, institutions, and physical disturbances belong within that account. When a causally relevant condition changes, it can change the outcome. This is why determinism doesn’t make deliberation idle. Your thinking can contribute to the causes through which the result occurs, without being an exception to those causes.

The determined successor also needn’t be a finished room waiting elsewhere. That’s the distinction from predestination as temporal storage. Nor does the complete present mean Newtonian absolute time. Clock rates can differ and coordinate descriptions can depend on frame. These are further reasons to keep the ontological claim separate from a privileged clock reading. History remains real through what occurred and causally active through what it has made of the present.

The complete present contains records and inheritance, active bodies and clocks, constraints and deliberation. A prior state, no longer actual, contributes through causal inheritance; a successor becomes actual through finite resolution. Dashed arrows from the present lead to a past reconstruction and two future models. These representations exist now without making their represented moments co-actual. Every real source, state, clock, record, and resolution belongs to one actuality. — **Figure 8.1.** Persistent Present Determinism distinguishes actual succession from temporal representation. Prior states contribute through causal inheritance, while future alternatives are modeled within the present. Under the single-successor premise, one successor becomes actual through resolution. A timeline or branching diagram represents these relations without thereby making its moments co-actual.

With those commitments explicit, we can compare what PPD retains from each picture and what it declines to add.

What Persistent Present Determinism retains
Picture	Truth retained by PPD	Extra ontology removed
Flowing time	Real succession and becoming	Independent temporal current
Growing block	Historical reality and accumulation of consequence	Co-actual warehouse of former states
Branching futures	Real alternatives in deliberation and modeling	Several already actual futures
Cyclic time	Recurrence and feedback	Loop as existential ground or accessible past
Relativity	Frame-dependent coordinate measurements, invariant spacetime intervals, and causal structure	Co-actual block as compulsory ontology
Completed block	Global representability of temporal order	Equal actuality of every represented moment

My reason for preferring this account is that its temporal work belongs to actual states, their relations, and their succession. Order, pacing, record, and prediction remain intelligible without making each useful representation another temporal object. That is the comparison on which the claim rests, together with the premises already stated.

The conditions that the temporal argument inherits

The PPD pillar supplies an explicit present-only account and a separately defended deterministic continuation. The temporal argument does not re-derive both commitments from the fact that a clock is read now. In Appendix A’s premise register, I identify the relevant families as follows. ^[2]

P₀: Persistent Present Determinism: Supplies the finite-present and single-successor architecture under its assumptions while preserving chronology, clocks, records, models, and prediction.
F₀: Epistemic-frame closure and finite-interface constraints: Every operative epistemic act is frame-internal, and no description can function in reasoning while remaining outside every frame. This does not deny objective truth or external reality.

For the archive incompatibility, the essential P₀ clause is that exactly one complete present obtains. The finite-present condition belongs to the architecture as a further condition, not to a proof that a finite observer has counted all of reality. The finite-present discussion preserves its specification requirements. F₀ concerns the realization of knowing; it does not make agreement produce the world.

Proposition A.9 distinguishes the types of relation involved, and the Representational Shadow Mechanism requires a bridge before a predicate is transferred from representation to source. Those constraints apply to any extra temporal container. They also apply to claims made for the present-centered account itself. An ontological distinction cannot stand in for an empirical test.

Why one observed outcome is not the deterministic argument

The full PPD treatment distinguishes a single realized path from a source that admits only one successor under the full law. Its explicit source-sufficiency premise reads as follows. ^[3]

EL: Contrastive source sufficiency

I use a substantive explanatory premise: a difference between fully realized continuation outcomes must have a differentiating ground in the actual source conditions or the law governing their production. Source closure places every such actual determinant within the complete source and its law, rather than in a real supplier outside total actuality. A proposed law is faithful at this level only when it respects those determinants.

The reason for this demand is explanatory. Listing two outcomes and then saying that one occurs does not explain the contrast between them. Introducing a selection mechanism supplies something to investigate; leaving selection wholly ungrounded abandons that contrastive explanation. I do not identify the abandonment with a contradiction in ordinary set notation.

This premise concerns outcome determination, not just the presence of causes or a law for a distribution. It is stronger than present completeness or causal closure alone. A stochastic description can specify an outcome distribution without satisfying this stronger demand for the realized contrast. Thus the deterministic conclusion below is conditional on source sufficiency; neither ERP nor the observation of one actual outcome independently proves it. The argument develops the deterministic account I defend, rather than claiming an empirical adjudication of every physical law.

The corresponding law is defined on continuing source states with a declared successor convention. A chosen local index zero is not the beginning of all reality, and a linear order alone does not provide an immediate successor. No universal smallest time unit follows. The temporal article inherits those conditions rather than replacing the complete PPD proof.

Formal argument: time as container or co-actual archive

The five source-numbered objects in Appendix A.8.2 separate the temporal readout, the category-crossing burden, the co-actuality incompatibility under PPD, the relativistic evidential boundary, and the combined temporal conclusion. The statements and their proofs retain those distinct roles. ^[2]

Definition A.38 (Temporal readout structure)

A temporal readout structure is a tuple $\mathfrak T=\langle E,\prec_t,C,\rho,\mathcal{M}\rangle,$ where $E$ is a set of represented events or state tokens, $\prec_t$ is an ordering relation, $C$ is a clock or interval map, $\rho$ is present record structure, and $\mathcal{M}$ is the finite representation through which the relations are displayed. The tuple does not by definition assert co-actuality of every represented event.

Proposition A.39 (Order and Metric Do Not Entail a Container)

The existence of an order relation $\prec_t$ , an interval metric, or a successful spacetime representation does not entail an independently existing temporal container in which all represented states are stored.

Proof.

An order relates its relata, while a metric assigns values to declared pairs or paths. A representation maps selected structure through an interface. None has, by its type alone, the state-membership or existential-inclusion predicate required of a physical container. By Proposition A.9, the promotion requires a separate ontological bridge.

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Theorem A.40 (Co-Actual Archive Defeater Under PPD)

Assume $P_0$ : exactly one complete present state $\mathcal{P}_n$ obtains, while past and future are available through present records, models, constraints, and represented possibilities. Then a literal ontology in which a temporally distinct state $\mathcal{P}_j\neq\mathcal{P}_n$ is equally actual contradicts $P_0$ . A completed spacetime or timeline may survive as a representation of relations but not as a co-actual archive under the same premise set.

Proof.

A literal co-actual archive requires at least two temporally distinct states to possess the same actuality status. This contradicts the uniqueness clause of $P_0$ . If the archive is weakened to an object encoding event order, interval invariants, worldlines, or reconstructed histories, then it no longer asserts co-actuality and falls under Theorem A.22. Its predictive success supports the preserved relations, not the added storage ontology.

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Proposition A.41 (Relativity Readout Boundary)

Empirical success in relativistic timing, interval, simultaneity, and trajectory calculations supports the invariant relations encoded by the relevant spacetime framework. It does not, without an independent discriminator, establish that all represented events are equally actual.

Proof.

The same successful relation can be embedded in more than one metaphysical interpretation. The observations therefore underdetermine the added co-actuality predicate unless a measurement distinguishes it from present-centered relational alternatives. This is an instance of independent-versus-inherited support.

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Theorem A.42 (Temporal-Container Defeater)

Under $P_0$ , $F_0$ , and the Representational Shadow Mechanism, time is retained as ordering, pacing, interval comparison, record, and prediction structure. Time as an independently existing container or completed co-actual archive is not retained.

Proof.

Proposition A.39 blocks type promotion from relation or metric to container. Theorem A.40 excludes co-actuality under $P_0$ . Proposition A.41 preserves the empirical successes without double-spending them as independent support for the ontology. The remaining time structure is relational and present-carried.

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Scope and limits

I draw on $P_0$ and $F_0$ . The additional premises are the Representational Shadow Mechanism, typed relation discipline, and present record and forecast structure.

Chronology, clocks, rates, proper-time and interval calculations, memory, records, prediction, relativity readouts, and counterfactual histories remain available. The result defeats the time-container and co-actual-archive ontology under PPD. I’m not claiming that relativistic equations fail or asking you to accept PPD without argument.

Rejecting the present-only clause challenges $P_0$ ; it doesn’t by itself establish co-actuality. The geometry’s predictive success supports shared interval structure, not that additional claim.

A challenge may identify a failed premise or inference, or supply an observation or argument that discriminates co-actuality from a relational present-state account while preserving the empirical structure. Clocks and spacetime maps remain usable; the added ontology needs its own support.

Questions about time and the present

Does the persistent present mean only what I happen to experience?

No. A present configuration includes unobserved processes, other agents, instruments, and relations outside your awareness. Your access is finite; the actuality the account concerns is not restricted to the contents of that access. A memory, a doubt, or a denial really occurs without becoming an infallible account of the wider world. ERP secures occurrence. The present-only claim goes further and retains its own premise. I am not deriving it merely by pointing out that every observation is encountered now.

Is the formal archive defeater just assuming its conclusion?

Its conditional scope is explicit. Given the present-only commitment, a co-actual archive contradicts the uniqueness it asserts. That theorem identifies the incompatibility; it is not offered as a second independent proof of the premise. The broader account explains order, pacing, records, and causal inheritance, while the representation argument shows why a successful temporal map does not establish the added archive. A challenge can therefore address the present-only premise itself. Rejecting that premise is not, by itself, evidence for equal actuality either. The dispute has to be located at the actual premise or ontological bridge rather than hidden in the success of a shared calculation.

Does one complete present secretly mean one universal clock or privileged slice?

No universal clock or observer-selected hypersurface is supplied by the definition. Clock readings, synchronization procedures, and coordinate descriptions are structures within the physical account. Calling actuality complete does not make every observer assign identical coordinates to distant events. But separating the words is not a physical construction: a realization of the complete-present account must still preserve successful relativistic clock, signal, interval, and causal relations. The chapter states that burden directly. This page does not invent an experimentally detected preferred frame or declare that the reconciliation is complete merely because the ontological claims have been distinguished.

What does relativity verify, and what is the additional claim?

The successful calculations concern specified relations among events, clocks, signals, intervals, and trajectories. The additional claim is that every event represented in a completed spacetime has equal ontological actuality. My Relativity Readout Boundary does not use the same successful calculation twice, first as support for its measured relations and then as independent evidence for that extra claim. The same discipline applies to my own account. A present-centered interpretation does not win an independent empirical test simply because it preserves an already established prediction. A physical or philosophical discriminator must support the added conclusion.

Can a false memory or forged record be real without its depicted event being real?

Yes. A record has a real production history, but its represented content may misidentify that history or depict an event that never occurred. A forged photograph was produced; its apparent subject need not have happened. A memory can carry transformed consequences while remaining incomplete or mistaken. That distinction is developed in Chapter 3, section 3.6, and carried into the temporal account here. The occurrence of the token does not certify its content. Independent records, source provenance, causal constraints, and correction remain necessary when we reconstruct earlier events. Equally, an earlier event does not require a surviving observer or an accurate reconstruction in order to have occurred.

Do a branching diagram or quantum probabilities establish many actual futures?

Not by representing them. A finite model can branch because it uses incomplete information, varying inputs, a probability rule, or a counterfactual question. Literal multiplicity requires its own physical and interpretive argument. The representation boundary alone also does not prove determinism. PPD's deterministic conclusion retains its stronger contrastive source-sufficiency condition and the complete source, full law, and continuing domain. A stochastic distribution is not a contradiction in set notation; it does not meet that stronger demand simply by specifying a distribution. The whole question cannot be settled by the observation that one recorded outcome happened.

If a successor is determined, why is deliberation not pointless?

Because deliberation can be among the source conditions that determine it. Learning, considering an alternative, asking for help, or revising a plan can alter the conditions from which a later action follows. Under the deterministic account, a different outcome under the same full law requires a difference in the complete source; the deliberating person is part of that source, not an observer excluded from it. The successor's determination also differs from its already existing as a stored event. It still has to occur. None of this promises unlimited control, and none requires a power to depart from an identical total source and law.

Does the argument prohibit recurring states, feedback, or every closed path?

No. A repeated pattern can be realized through new succession, and a physical model may contain feedback or closed paths. Recurrence does not alone show that a former occurrence remains a place one can enter, or that the loop supplies its own existential ground. The grounding result concerns what supplies the relation's standing, not a blanket prohibition on circles. An exact resemblance also does not settle occurrence identity: in PPD, reproducing an earlier configuration is a new present realization. The physical admissibility of a specified path requires its own account rather than a verdict inferred from how the diagram is drawn.

Has this page proved every proposed kind of time travel physically impossible?

No. Under the present-only account, the ordinary paradox requiring a stored former actuality lacks its proposed destination. That is an ontological consequence of the account. It is not an independent calculation excluding every path someone can formulate in a physical model. Differential clock accumulation, simulations, reconstructed configurations, and literal access to an original earlier occurrence are different claims. They need different support. A coordinate can be drawn without an accessible destination being physically produced; a modeled path must be assessed through the system, conditions, and constraints that would realize it.

Does inherited causal direction explain every arrow of time or establish RSI?

No. Ordering a source and successor is not the complete thermodynamic, quantum, or cosmological explanation of every observed asymmetry. I preserve those further burdens rather than naming chronology as their universal solution. RSI proposes that pacing and sequence be read out after the state solve. That proposal still needs declared variables, constraints, equations, calibration, and evidence for its physical claims. The temporal argument neither selects every physical law nor certifies the implementation. What it establishes within its premises is the relational, present-carried account and the exclusion of the added container or co-actual archive. The next question of originless continuance inherits that result along with its other stated premises.

No cosmic library and no cosmic eraser

The persistent present offers an answer to two worries that can pull in opposite directions. You don’t have to imagine a cosmic library keeping every earlier version of reality equally actual. But you also don’t have to imagine a cosmic eraser making an event meaningless once it has passed. The past was real, and its consequences are real now.

A dead star can seed later systems, and a vanished civilization can shape language and law. A childhood event can alter an adult body and mind. A scientific discovery can continue changing what follows through present institutions, instruments, and understanding. These consequences don’t require their original events to remain active in another temporal room. They require the effects those events actually left.

The future isn’t a library either in this account. It’s the continuation produced through present conditions. That makes causal participation worth understanding closely. What happens now can become part of what later states inherit, even when the people involved cannot see how far the effects will reach.

What this changes for the epistemic agent

You’re part of the reality you’re trying to understand. As an epistemic tokening agent, you remember through present traces, consider possible outcomes through present models, and act through the information and capacities available to you. Those acts of knowing and considering are themselves events with possible consequences.

Your decisions have causes, but they can also be causes. Learning something, listening to another person, or reconsidering an assumption may change a condition that matters to what you do next. This doesn’t give you control over every consequence, and it doesn’t put you outside your history. It locates your participation within the circumstances through which the next state takes shape.

When I say the future isn’t already there, I don’t mean that exactly the same complete conditions could produce any outcome you wish. I mean that a determined successor still has to occur. Your effort isn’t made pointless by belonging to that process. It can be part of how the process produces what follows.

A state resembling the past could be reconstructed, a simulation could imitate an earlier world, or a recording could replay an image. Under PPD, each would be a new present configuration carrying resemblance or information. None would be the original occurrence becoming available again merely because the resemblance was exact.

The ordinary time-travel paradox assumes that a former actuality remains somewhere to be entered and altered. Without that co-actual region, the paradox lacks the destination it requires. This is an ontological consequence of the present-only account, not a separate demonstration that every proposed physical path is impossible. The scientific questions concern which states and paths can actually be produced. A coordinate label on a spacetime map doesn’t answer those questions just by being representable.

We can now keep chronological and causal order, relational clock pacing, records of inherited history, and models of possible continuation together within one account. PPD locates them in a complete actuality resolving into what follows. An independent current, a growing co-actual archive, literal futures inferred from a possibility tree, and a self-grounding temporal loop each add a further claim. None acquires its justification simply from the useful relation it accompanies.

This changes the question of ground. If time describes ordered change, ground doesn’t have to occupy a first position in a surrounding temporal container. We can ask what makes states and their succession possible without first treating their earliest coordinate as the source of existence. The discussion of grounding and temporal beginnings establishes that distinction; Chapter 9 also develops the further account of originless finite continuance.

SYNTHESIZED ANALYSIS

Events stand in measurable order, and physical clocks accumulate relational intervals. The present carries records of prior states, models of possible successors, and real causal constraints. Those relations remain available throughout the argument.

The added claims turn succession into an independent current, inherited history into a co-actual archive, modeled alternatives into actual futures, recurrence into its own ground, or a completed spacetime representation into equal actuality for every moment. The relations don’t establish those additions by themselves. Under PPD’s present-only premise and the finite-realization discipline used in this argument, a co-actual temporal archive is excluded. Successful clock and spacetime measurements retain their force without requiring that archive as their ontology.

Ground therefore needn’t be a first occupant of time. Distinguishing existential grounding from temporal beginning lets us examine the First-State Dilemma without restoring a null source, a completed infinite prerequisite, or a temporal warehouse. The question concerns what makes actuality and its relations possible, rather than which represented event we place first.

Sources and further reading

The historical discussions and film examples follow the cited source chapter. A thinker’s useful distinction is not an attribution of the whole Existential Ground account. The same separation applies to physical results, their interpretations, and RSI’s proposed implementation. The source works and locations are identified below.

Matthew Tripp Zejda, Existential Ground. Chapter 8, “Time Is Not a Place Reality Sits Inside,” pp. 117–136. The chapter’s three comparison tables and Figure 8.1, p. 133, accompany the account. Chapter 8 contents entry; book and reading access.
Existential Ground, Appendix A. §A.8.2, “Time as container or co-actual archive,” Definition A.38, Propositions A.39 and A.41, Theorems A.40 and A.42, their four proofs, and the complete scope note, pp. 422–423. Premise families P₀ and F₀: §A.3. Relation discipline: Proposition A.9. Representation: Theorem A.22. Appendix A contents entry; Representational Shadow Mechanism.
Matthew Tripp Zejda, Existential Logicism: A Logic-Based Engine for Navigating Reality. Chapter 5, especially Formal Argument 5.12, its separately stated present-only, finite-present, full-law, contrastive source-sufficiency, and continuing-domain conditions. The source-sufficiency premise is reproduced above. Complete PPD formal argument; Engine publication.
Connected arguments. Existential Ground, §3.6 on records and inheritance, Chapter 4 on representation, Chapters 6–7 on finite actuality and grounding, Chapter 9 on originless continuance, Chapters 11–13 on dynamics and physical implementation, and Chapters 14 and 16 on maintained identity and caused agency. EL’s ERP, TP, CG, and DMF retain their own premises; Finite Mind, Finite God retains the finite-interface and personhood/ultimacy distinctions. EG concepts and arguments; FMFG publication.
Aristotle. Physics. Oxford University Press. 1999.
Augustine. Confessions. Oxford University Press. 1991.
J. Ellis McTaggart. The unreality of time. Mind. 1908, vol. 17, pp. 457-474. DOI: 10.1093/mind/XVII.4.457. Source record.
Albert Einstein. Zur elektrodynamik bewegter körper. Annalen der Physik. 1905, vol. 322, pp. 891-921. DOI: 10.1002/andp.19053221004. Source record.
Isaac Newton. The principia: Mathematical principles of natural philosophy. University of California Press. 1999. Source record.
Gottfried Wilhelm Leibniz; Samuel Clarke. The leibniz–clarke correspondence. Manchester University Press. 1956. Source record.
Henri Bergson. Duration and simultaneity: Bergson and the einsteinian universe. Clinamen Press. 1999.
Albert Einstein. Relativity: The special and the general theory. Henry Holt. 1920.
Hermann Minkowski. Space and time. The principle of relativity: A collection of original memoirs on the special and general theory of relativity. Dover Publications. 1952, pp. 75-91. Source record.
C. W. Rietdijk. A rigorous proof of determinism derived from the special theory of relativity. Philosophy of Science. 1966, vol. 33, pp. 341-344. DOI: 10.1086/288106. Source record.
Hilary Putnam. Time and physical geometry. The Journal of Philosophy. 1967, vol. 64, pp. 240-247. DOI: 10.2307/2024493. Source record.
Howard Stein. On relativity theory and openness of the future. Philosophy of Science. 1991, vol. 58, pp. 147-167. DOI: 10.1086/289609. Source record.
Matthew Tripp Zejda. Resolution state interface (RSI): Introduction to universal relativity by matthew tripp zejda. Zenodo. 2026. DOI: 10.5281/zenodo.19176988. Source record.
Christopher Nolan; Jonathan Nolan. Interstellar. Paramount Pictures; Warner Bros. Pictures; Motion picture. 2014. Source record.
Kip Thorne. The science of interstellar. W. W. Norton & Company. 2014. Source record.
Denis Villeneuve; Eric Heisserer. Arrival. Paramount Pictures; Motion picture. 2016. Source record.
Matthew Tripp Zejda. Existential logicism: A logic-based engine for navigating reality. Existential Logicism website. 2025. Source record.
Matthew Tripp Zejda. Persistent present determinism (PPD). 2025. Source record.

Time is not a place reality sits inside

What a theory of time must actually explain

Order and pacing before the time-container

Flowing time and the invisible current

Growing blocks and unexplained moving edges

Branches, possibilities, and represented alternatives

Cycles and the failure of circular grounding

What relativity establishes

Why representation does not establish co-actuality

The lived present is evidence

Causal direction and present inheritance

Persistent Present Determinism

The conditions that the temporal argument inherits

Why one observed outcome is not the deterministic argument

Formal argument: time as container or co-actual archive

Definition A.38 (Temporal readout structure)

Proposition A.39 (Order and Metric Do Not Entail a Container)

Theorem A.40 (Co-Actual Archive Defeater Under PPD)

Proposition A.41 (Relativity Readout Boundary)

Theorem A.42 (Temporal-Container Defeater)

Questions about time and the present

No cosmic library and no cosmic eraser

From temporal order to finite continuance

Sources and further reading