In this paper, we offer an analysis of the Simulation Argument as formulated by Nick Bostrom (2003). We begin by outlining the argument, with particular attention to its disjunctive structure. We then proceed to reconstruct the argument by making explicit several of its underlying assumptions. Furthermore, we supplement the original argument with several elements that we regard as pertinent premises. Finally, we attend to the completion of the argument, paying special attention to the decision (...) tree that underpins it. Having completed the argument by supplying the missing assumptions and decision-tree components, we derive a conclusion that diverges significantly from that of the original formulation. (shrink)

Bostrom's simulation argument presents a trilemma: either almost no human-level civilizations reach a posthuman stage, or almost no posthuman civilizations run ancestor-simulations, or almost everyone with experiences like ours is living in a simulation. This paper grants the trilemma's formal apparatus in full and shows that Bostrom's conclusion — that we ourselves are probably simulated — does not follow from it. The formula behind the trilemma computes over a reference class with two subgroups: originating civilizations, and the (...) simulations their descendants produce. The formula's own specification places us in the originating subgroup. To reach his conclusion, Bostrom performs a separate inference, from we will create simulations to we are simulated — from what we can make to what we are. I call this the capability-inversion fallacy. The paper identifies the inference, shows Bostrom committing it throughout his text, diagnoses the features of his formulation that concealed it for two decades, and shows that the standard defenses of the argument commit it afresh. The simulation hypothesis remains a logical possibility. Bostrom's argument provides no evidence for it. (shrink)

Some philosophers regard it as a serious possibility that we now exist within a simulation. That this hypothesis is somewhat probable has been defended extensively by Nick Bostrom. Notably, Bostrom does not defend the conclusion that we inhabit a simulation, but rather the disjunctive conclusion that the human species is very likely to die out before reaching a ‘posthuman stage’, that posthuman civilizations are extremely unlikely to run significant numbers of simulations, or that we almost certainly inhabit a (...) simulation. Bostrom argues that there is no basis for strongly favouring one of these alternatives over its counterparts. The upshot is that it is fairly probable that we inhabit a simulation. I argue that posthuman civilizations are likely to be unwilling to run significant numbers of simulations, thereby undermining the case for assigning a somewhat high probability to the hypothesis that we live in a simulation. (shrink)

Various theorists contend that we may live in a computer simulation. David Chalmers in turn argues that the simulation hypothesis is a metaphysical hypothesis about the nature of our reality, rather than a sceptical scenario. We use recent work on consciousness to motivate new doubts about both sets of arguments. First, we argue that if either panpsychism or panqualityism is true, then the only way to live in a simulation may be as brains-in-vats, in which case it (...) is unlikely that we live in a simulation. We then argue that if panpsychism or panqualityism is true, then viable simulation hypotheses are substantially sceptical scenarios. We conclude that the nature of consciousness has wide-ranging implications for simulation arguments. (shrink)

Nick Bostrom’s Simulation Argument (SA) has many intriguing theological implications. We work out some of them here. We show how the SA can be used to develop novel versions of the Cosmological and Design Arguments. We then develop some of the affinities between Bostrom's naturalistic theogony and more traditional theological topics. We look at the resurrection of the body and at theodicy. We conclude with some reflections on the relations between the SA and Neoplatonism (friendly) and between the (...) SA and theism (less friendly). (shrink)

According to the most common interpretation of the simulation argument, we are very likely to live in an ancestor simulation. It is interesting to ask if some families of simulations are more likely than others inside the space of all simulations. We argue that a natural probability measure is given by computational complexity: easier simulations are more likely to be run. Remarkably this allows us to extract experimental predictions from the fact that we live in a (...) class='Hi'>simulation. For instance we show that it is very likely that humanity will not achieve interstellar travel and that humanity will not meet other intelligent species in the universe, in turn explaining the Fermi's Paradox. On the opposite side, experimental falsification of any of these predictions would constitute evidence against our reality being a simulation. (shrink)

Nick Bostrom's simulation argument holds that, under certain conditions, it is highly probable that we are living in a computer simulation. This paper argues that this probabilistic inference fails to establish the rational grounds for the near-certainty it purports to justify. Three independent failures are identified, operating at distinct levels: physical constraints, structural incompatibility, and diagnostic inversion. The thermodynamic limits on computation — in particular Landauer's Principle and the Second Law of Thermodynamics — impose fundamental constraints on (...) the number of simulations that can be simultaneously active, undermining the statistical dominance required by Bostrom. Additionally, the argument is shown to depend on the conjunction of three conditions: (R1) creators with sufficiently humanoid psychology to be motivated to run Ancestor-Simulations; (R2) capacity to run an astronomically large number of simulations; and (R3) operation within some form of computational physics. Formal analysis shows that no consistent configuration exists in which all three conditions can be simultaneously satisfied, rendering the intended probabilistic inference structurally untenable. Finally, it is argued that Bostrom commits a diagnostic inversion by treating technological capacity as a statistical multiplier for the probability of being simulated. This paper demonstrates that such capacity should instead be interpreted as ontological evidence regarding one's position in the hierarchy of realities: the greater the capacity to simulate, the less likely one is to be simulated. (shrink)

Both patched versions of the Bostrom/Kulczycki simulation argument contain serious objective errors, discovered while attempting to formalize them in predicate logic. The English glosses of both versions involve badly misleading meanings of vague magnitude terms, which their impressiveness benefits from. We fix the errors, prove optimal versions of the arguments, and argue that both are much less impressive than they originally appeared. Finally, we provide a guide for readers to evaluate the simulation argument for themselves, using (...) well-justified settings of the argument parameters that have simple, accurate statements in English, which are easier to understand and critique than the statements in the original paper. (shrink)

Critically examines Nick Bostrom's "Are You Living in a Simulation?" and underlying concepts.

Simulation arguments typically presuppose a symmetric hierarchy: an upstream process that enacts a world, and an inhabitant who occupies it, where both levels involve something like an operative standpoint. This paper argues that this symmetry is not structurally required. Drawing on a minimal distinction between compressed and resolved descriptions — a distinction that tracks the functional separability of model and selection roles established by algorithmic information theory — we develop a no-entailment result: support-dependence does not entail upstream resolution. A (...) resolved internal standpoint may depend, as a condition of its reachability, on antecedent support conditions — including, in the simulation case, what would ordinarily be called a simulator — without those conditions themselves constituting any resolved standpoint. The standard picture of simulation as a relation between two resolved levels is therefore a special case rather than a structural requirement. The paper does not adjudicate between competing positions in the simulation literature; it isolates a specific structural assumption that those discussions tend to share and shows that the assumption is not entailed by the support structure that simulation arguments invoke. The general theory of compressed and resolved descriptions on which the argument draws is developed in companion work~\cite{Hitchcock2026CRD}; the present paper is a focused application to simulation arguments specifically. (shrink)

Paul Franceschi | : Je présente dans cet article une analyse de l’argument de la Simulation selon le point de vue du contextualisme dialectique, fondée sur le problème de la classe de référence. Je décris tout d’abord l’argument de la Simulation de manière détaillée. J’identifie ensuite la classe de référence et j’applique successivement l’argument à trois classes de référence distinctes : les simulations conscientes de leur propre nature de simulation, les simulations imparfaites et les (...) simulations à immersion. Finalement, je montre qu’il existe trois niveaux de conclusion dans l’argument de la Simulation, selon la classe de référence choisie, qui engendrent des conclusions finales d’une nature très différente. | : I present in this paper an analysis of the Simulation argument from a dialectical contextualist standpoint. This analysis is grounded on the reference class problem. I begin with describing in detail Bostrom’s Simulation Argument. I identify then the reference class within the Simulation argument. I also point out a reference class problem, by applying the argument successively to three different reference classes : aware-simulations, imperfect simulations and immersion-simulations. Finally, I point out that there are three levels of conclusion within the Simulation Argument, depending on the chosen reference class, that yield each final conclusions of a fundamentally different nature. (shrink)

This paper introduces the Awareness Paradox, a challenge to the nested simulation hypothesis. We posit that if a civilization knowingly creates a conscious simulation, it must possess verification criteria. If the simulation resembles the creator’s environment, these criteria become transferable detection tools applicable to the creator’s own reality. We formalize this intuition via a probabilistic model, demonstrating that non-awareness is statistically fragile: it decays exponentially along simulation lineages. This implies that in a long chain of nested (...) worlds, most creator-civilizations would eventually detect their own simulated nature. The empirical absence of such awareness in our world contradicts the assumption of extensive nesting. We argue that unless one assumes ubiquitous concealment or radical ontological difference, the paradox significantly lowers the probability that we inhabit a simulation. (shrink)

Nous proposons dans cet article une analyse de l’argument de la Simulation, décrit par Nick Bostrom (2003). Nous décrivons tout d’abord l’argument de la Simulation, en mettant l’accent sur sa structure disjonctive. Nous nous attachons ensuite à compléter l’argument, en restituant plusieurs hypothèses sous-jacentes. Nous ajoutant également à l’argument original plusieurs éléments, dont nous considérons qu’ils constituent autant d’hypothèses pertinentes. Enfin, nous nous attachons à compléter l’argument et en particulier l’arbre de décision qui (...) le sous-tend. Une fois l’argument complété, à l’aide des hypothèses et des éléments de l’arbre de décision manquants, nous en tirons la conclusion, qui est tout à fait différente de celle de l’argument original. (shrink)

So the Fine-tuning Argument goes, because it is so unlikely for the physical constants of the laws of nature to have taken the values that they in fact take, we should significantly raise our credence that God exists. Simulation Arguments argue that our world might be (or, in stronger versions, that it probably is) a mere computer simulation. This paper argues that, in light of a Simulation Argument with a particularly weak conclusion, fine-tuning reasoning instead (...) motivates atheists to believe that we live in a computer simulation. (shrink)

I have developed transcendental arguments to refute several versions of Nick Bostrom’s simulation hypothesis. I called some of these arguments the SIM-style argument. In this paper, I have four main aims. First, I employ the SIM-style argument to remedy a defect in Hilary Putnam’s Brain-in-vat argument. Second, I show that the most radical skepticism, which Tim Button called the nightmarish Cartesian skepticism, can be refuted by the SIM-style argument or by another transcendental argument I (...) develop here. Third, I compare my approach to radical skepticisms with Donald Davidson’s, as it is often regarded as an exemplar of transcendental arguments. Fourth, I explain how the prominent objections, mainly developed by Barry Stroud, to transcendental arguments can incur two undesirable results: psychologism and Kantian skepticism. (shrink)

I introduce the implantation argument, a new argument for the existence of God. Spatiotemporal extensions believed to exist outside of the mind, composing an external physical reality, cannot be composed of either atomlessness (infinite divisibility, atomless gunk), or of Democritean atoms (extended simples), and therefore the inner experience of an external reality containing spatiotemporal extensions believed to exist outside of the mind does not represent the external reality (inner mind does not represent external, mind-independent, reality), the mind is (...) a mere cinematic-like mindscreen (a mindscreen simulation), implanted into the mind by a creator-God. It will be shown that only a creator-God can be the implanting creator of the mindscreen simulation (the creator of reality), and other simulation theories, such as Bostrom’s famous account, that do not involve a creator-God as the mindscreen simulation creator, involve a reification fallacy. (shrink)

Preston Greene (2020) argues that we should not conduct simulation investigations because of the risk that we might be terminated if our world is a simulation designed to research various counterfactuals about the world of the simulators. In response, we propose a sequence of arguments, most of which have the form of an "even if” response to anyone unmoved by our previous arguments. It runs thus: (i) if simulation is possible, then simulators are as likely to care (...) about simulating simulations as they are likely to care about simulating basement (i.e. non-simulated) worlds. But (ii) even if simulations are interested only in simulating basement worlds the discovery that we are in a simulation will have little or no impact on the evolution of ordinary events. But (iii) even if discovering that we are in a simulation impacts the evolution of ordinary events, the effects of seeming to do so could also happen in a basement world, and might be the subject of interesting counterfactuals in the basement world Finally, (iv) there is little reason to think that there is a catastrophic effect from successful simulation probes, and no argument from the precautionary principle can be used to leverage the negligible credence one ought have in this. Thus, if we do develop a simulation probe, then let’s do it. (shrink)

In this paper, I propose that, in addition to the multiverse hypothesis, which is commonly taken to be an alternative explanation for fine-tuning, other than the design hypothesis, the simulation hypothesis is another explanation for fine-tuning. I then argue that the simulation hypothesis undercuts the alleged evidential connection between ‘designer’ and ‘supernatural designer of immense power and knowledge’ in much the same way that the multiverse hypothesis undercuts the alleged evidential connection between ‘fine-tuning’ and ‘fine-tuner’ (or ‘designer’). If (...) this is correct, then the fine-tuning argument is a weak argument for the existence of God. (shrink)

Using Platonic metaphysics, the paper offers eight arguments for the benevolence of the simulator of our world, assuming that it is a simulation. In part, the paper proceeds negatively by showing problems with the hypothesis of a malevolent simulator. First, simulant is to simulator as part to whole, so it is in the interests of the simulator to be just and wise toward the simulant. Second, the simulation hypothesis implies the possibility of religious technology, unless the simulator is (...) virtuous and therefore above manipulation. Third, if the simulator is malevolent then ethics becomes incoherent, given that piety is a virtue. Fourth, unless the simulator is benevolent then no simulant is, since everything done by a simulant is done in cooperation with the simulator. Fifth, the simulator is impassible to simulants, but evil involves passivity. Sixth, the simulator is the singular cause of the world, but evil involves the accidental collision of causes. Seventh, the simulator is eternal with respect to the world, and evil cannot exist in the eternal. Eight, simulating requires knowledge of the forms, but like is known to like, so a malevolent simulator could not create an intelligible world. (shrink)

Historically, the hypothesis that our world is a computer simulation has struck many as just another improbable-but-possible “skeptical hypothesis” about the nature of reality. Recently, however, the simulation hypothesis has received significant attention from philosophers, physicists, and the popular press. This is due to the discovery of an epistemic dependency: If we believe that our civilization will one day run many simulations concerning its ancestry, then we should believe that we are probably in an ancestor simulation right (...) now. This essay examines a troubling but underexplored feature of the ancestor-simulation hypothesis: the termination risk posed by both ancestor-simulation technology and experimental probes into whether our world is an ancestor simulation. This essay evaluates the termination risk by using extrapolations from current computing practices and simulation technology. The conclusions, while provisional, have great implications for debates concerning the fundamental nature of reality and the safety of contemporary physics. (shrink)

The goal of the article is to explore what is the most probable type of simulation in which humanity lives (if any) and how this affects simulation termination risks. We firstly explore the question of what kind of simulation in which humanity is most likely located based on pure theoretical reasoning. We suggest a new patch to the classical simulation argument, showing that we are likely simulated not by our own descendants, but by alien civilizations. (...) Based on this, we provide classification of different possible simulations and we find that simpler, less expensive and one-person-centered simulations, resurrectional simulations, or simulations of the first artificial general intelligence’s (AGI’s) origin (singularity simulations) should dominate. Also, simulations which simulate the 21st century and global catastrophic risks are probable. We then explore whether the simulation could collapse or be terminated. Most simulations must be terminated after they model the singularity or after they model a global catastrophe before the singularity. Undeniably observed glitches, but not philosophical speculations could result in simulation termination. The simulation could collapse if it is overwhelmed by glitches. The Doomsday Argument in simulations implies termination soon. We conclude that all types of the most probable simulations except resurrectional simulations are prone to termination risks in a relatively short time frame of hundreds of years or less from now. (shrink)

This paper argues that the simulation hypothesis does not require base reality to be mathematical in character. Discussions of simulation often assume, either explicitly or implicitly, that the reality underlying a simulation must itself be computational, mathematical, or law-governed in a familiar physical sense. I argue that this assumption is not entailed by the hypothesis. A simulated world must be mathematically implementable, but it does not follow that the base reality being approximated must itself be a mathematical (...) structure. The paper distinguishes between mathematical description and mathematical ontology, and develops the idea of macroscopic analogy: the possibility that a simulation need only reproduce stable phenomena at the scale relevant to conscious observers, rather than faithfully replicate the fundamental ontology of base reality. I then offer illustrative models of non-mathematical base mechanisms, such as dispositional attraction, relational resistance, and primitive cohesion, which could give rise to stable macroscopic patterns that a computational simulation could approximate. Finally, I consider how a simulation optimized for macroscopic conscious observers might exhibit strong mathematical regularity at ordinary scales while requiring supplementary theoretical structures or interpretive pressure at cosmological and microscopic extremes. The aim is not to provide evidence that we inhabit a simulation, nor to propose a rival physical theory, but to clarify a neglected conceptual possibility: non-mathematical base ontologies are compatible with the simulation hypothesis and should be included within its metaphysical possibility space. (shrink)

Expositions of the fine-tuning argument (FTA) typically aim only to show that cosmic fine-tuning is evidence for theism over specific versions of naturalism. But, construed as an argument for theism, that modest contention threatens the FTA with insignificance, as there may be other hypotheses that better explain fine-tuning than either theism or one's preferred formulation of naturalism. Adopting a Bayesian framework, I assess four such possibilities: the simulation hypothesis, teleological cosmopsychism, axiarchism, and teleological laws. I conclude that (...) theism is superior to all four. (shrink)

The chemistry of combining simulation hypothesis (which many believe to be a modern variation of skepticism) and manipulation arguments will be explored for the first time in this paper. I argue: If we take the possibility that we are now in a simulation seriously enough, then contrary to a common intuition, manipulation very likely does not undermine moral responsibility. To this goal, I first defend the structural isomorphism between simulation and manipulation: Provided such isomorphism, either both of (...) them are compatible with moral responsibility, or none of them is. Later, I propose two kinds of reasons—i.e., the simulator-centric reason and the simulatee-centric reason—for why we have (genuine) moral responsibilities even if we are in a simulation. And I close by addressing the significance of this paper in accounting for the relevance of artificial intelligence and its philosophy, in helping resolve a long-locked debate over free will, and in offering one reminder for moral responsibility specialists. (shrink)

This thesis presents a comprehensive mathematical framework for determining the probability that we are living in a computer simulation. Building upon Nick Bostrom's foundational simulation argument, we develop a novel integrated approach that combines information-theoretic bounds, quantum mechanical evidence, computational complexity analysis, and Bayesian inference to provide a quantitative assessment of the simulation hypothesis. Our framework introduces several key innovations: (1) a discreteness metric based on quantum measurement precision, (2) computational feasibility analysis across different scales of (...) reality, (3) observer effect quantification as evidence for simulation-like behavior, and (4) a unified Bayesian model that integrates multiple lines of evidence. -/- Through comprehensive analysis of four distinct scenarios (Conservative, Moderate, Optimistic, and Quantum-Focused), we find simulation probabilities ranging from 0.43 to 0.71, with confidence intervals providing statistical rigor to our estimates. Our empirical validation against known physical constants, quantum mechanical phenomena, and computational systems demonstrates strong support for the simulation hypothesis, with an overall validation score of 11.50. The framework reveals that while simulating systems up to solar system scale appears computationally feasible, simulating the entire observable universe exceeds current theoretical limits by 19 orders of magnitude. -/- Key findings include: (1) quantum discreteness at the Planck scale strongly suggests digital rather than continuous physics, (2) the observer effect in quantum mechanics aligns with computational optimization principles, (3) Bell inequality violations can be elegantly explained through simulation constraints, and (4) the fine-tuning of physical constants is consistent with computational parameter selection. This work provides the first rigorous mathematical framework for simulation detection and establishes a foundation for future empirical testing of the simulation hypothesis. (shrink)

Nick Bostrom’s recently patched ‘‘simulation argument’’ (Bostrom in Philos Q 53:243–255, 2003; Bos- trom and Kulczycki in Analysis 71:54–61, 2011) purports to demonstrate the probability that we ‘‘live’’ now in an ‘‘ancestor simulation’’—that is as a simulation of a period prior to that in which a civilization more advanced than our own—‘‘post-human’’—becomes able to simulate such a state of affairs as ours. As such simulations under consid- eration resemble ‘‘brains in vats’’ (BIVs) and may appear open (...) to similar objections, the paper begins by reviewing objections to BIV-type proposals, specifically those due a presumed mad envatter. In counter example, we explore the motivating rationale behind current work in the development of psychologically realistic social simula- tions. Further concerns about rendering human cognition in a computational medium are confronted through review of current dynamic systems models of cognitive agency. In these models, aspects of the human condition are repro- duced that may in other forms be considered incomputable, i.e., political voice, predictive planning, and consciousness. The paper then argues that simulations afford a unique potential to secure a post-human future, and may be nec- essary for a pre-post-human civilization like our own to achieve and to maintain a post-human situation. Long-s- tanding philosophical interest in tools of this nature for Aristotle’s ‘‘statesman’’ and more recently for E.O. Wilson in the 1990s is observed. Self-extinction-level threats from State and individual levels of organization are compared, and a likely dependence on large-scale psychologically realistic simulations to get past self-extinction-level threats is projected. In the end, Bostrom’s basic argument for the conviction that we exist now in a simulation is reaffirmed. (shrink)

In this paper we shed new light on the Argument from Disagreement by putting it to test in a computer simulation. According to this argument widespread and persistent disagreement on ethical issues indicates that our moral opinions are not influenced by any moral facts, either because no such facts exist or because they are epistemically inaccessible or inefficacious for some other reason. Our simulation shows that if our moral opinions were influenced at least a little bit (...) by moral facts, we would quickly have reached consensus, even if our moral opinions were affected by factors such as false authorities, external political shifts, and random processes. Therefore, since no such consensus has been reached, the simulation gives us increased reason to take seriously the Argument from Disagreement. Our conclusion is however not conclusive; the simulation also indicates what assumptions one has to make in order to reject the Argument from Disagreement. The simulation algorithm we use builds on the work of Hegselmann and Krause (J Artif Soc Social Simul 5(3); 2002, J Artif Soc Social Simul 9(3), 2006). (shrink)

Are we living in a computer simulation? Some philosophers say it's very likely we are. Some philosophers say that even if we're not in a simulation, we could never know for sure. In this short piece I would like to respond to a more practical question: that is, whatever the case may be, ontologically or epistemically, how do we actually escape (or break) a simulation? I propose a rather simple and sure-fire way to escape a computer (...) class='Hi'>simulation—whether we're in one or not. I also connect my solution to the Fermi Paradox. (shrink)

Less advanced civilizations cannot make energy-scale comparisons and assume what an advanced civilization should be like. Based on the evolution of human civilizations, from the agricultural revolution to the digital age, each less advanced civilization tries to assume what a more advanced civilization should be like. This is physically unfeasible, and it is impossible to theorize the methods a super-advanced civilization would use to compute a simulation. Based on this, I formalized four premises and one conclusion.

Par un procédé d'objections/réponses, nous passons d'abord en revue certains des arguments en faveur ou en défaveur du caractère empirique de la simulation informatique. A l'issue de ce chemin clarificateur, nous proposons des arguments en faveur du caractère concret des objets simulés en science, ce qui légitime le fait que l'on parle à leur sujet d'une expérience, plus spécifiquement d'une expérience concrète du second genre.

Bostrom's Simulation Argument has become synonymous with simulation theory, despite the existence of alternative frameworks that also suggest our universe may be a computer simulation—frameworks that do not require the assumption of posthumans. Further, Bostrom's work has spurred discussions around the potential destruction or termination of our universe, prompting existential anxieties and fueling extensive philosophical speculation. We evaluate the arguments of Greene, Turchin, Batin, Denkenberger, and Yampolskiy, alongside the counterarguments of Braddon-Mitchell, Latham, and Edge. We conclude (...) that Bostrom's Simulation Argument has been philosophically extended far beyond its original scope. As a contrasting model, we present Campbell's consciousness-based My Big TOE (MBT) Theory. MBT requires fewer assumptions, excludes posthuman entities, reduces the likelihood of simulation termination to near zero, includes a clear cosmogony and telos, and frames existence as an information-entropy-reduction system designed to evolve the consciousnesses of its participants—rather than the existential risk research project framework implicitly assumed in Bostrom's model. (shrink)

This paper refines a number of theoretical distinctions relevant to deceptive play, in particular the difference between merely misleading actions and types of simulation commonly considered beyond the pale, such as diving. To do so, I rely on work in the philosophy of language about conversational convention and implicature, the distinction between lying and misleading, and their relation to concepts of seduction and bullshit. The paper works through a number of possible solutions to the question of what is wrong (...) with simulation and its difference from strategic fouling, including the argument that games and their rules operate like contracts. I conclude that the wrongness lies in the injustice of unfair advantage gained through actions that silence opposition by resort to unanswerable play. (shrink)

In this paper we will explore how the action of signs underlying all human experience precludes the possibility that we are being systematically deceived in our perception of reality. The simulation hypothesis, as well as similarly motivated skeptical scenarios, such as the brain-in-a-vat hypothesis and Descartes’ evil demon thought experiment, wrongly presuppose a modern, dualistic theory of knowledge, as well as a neuroreductionist model of sensation. However, we will see how the action of signs in human cognition presupposes the (...) existence of a relational mode of being, namely, esse intentionale (“intentional being”), which is immaterial and incapable of subjection to technological manipulation. Furthermore, sensation, the origin of all human knowledge, and ens primum cognitum (“being as first known”), the condition of all human knowledge, both defy materialistic explanations. The doctrine of signs, as masterfully articulated by John Poinsot (John of St. Thomas), recognizes the triadic nature of relations underlying the full range of human experience. A proper understanding of the relationship between mind and world, as well as a recognition of the mistaken presuppositions underlying much of modern philosophy, will help to disillusion those who are convinced by the simulation hypothesis and other similarly motivated skeptical scenarios. (shrink)

It is sometimes said that simulation can serve as epistemic substitute for experimentation. Such a claim might be suggested by the fast-spreading use of computer simulation to investigate phenomena not accessible to experimentation (in astrophysics, ecology, economics, climatology, etc.). But what does that mean? The paper starts with a clarification of the terms of the issue and then focuses on two powerful arguments for the view that simulation and experimentation are ‘epistemically on a par’. One is based (...) on the claim that, in experimentation, no less than in simulation, it is not the system under study that is manipulated but a system that ‘stands-in’ for it. The other one highlights the pervasive use of models in experimentation. It will be argued that these arguments, as compelling as they might seem, are each based on a mistaken interpretation of experimentation and that, far from simulation and experimentation being epistemically on a par, they do not have the same epistemic function, do not produce the same kind of epistemic results. (shrink)

This paper develops the framework's account of the simulation hypothesis, arguing that the simulation is not a metaphor borrowed from technology but the oldest structural account of why anything exists at all — and that this account generates precise design requirements for aligned artificial intelligence. The paper begins by reframing the simulation hypothesis. The question is not whether we live in a simulation in the technological sense, but why the universe takes the form it does: generating (...) conscious instruments that experience from the inside what cannot be known from outside. The simulation hypothesis, correctly understood, is the structural claim that the universe is what a technological simulation is a limited model of — not the reverse. The paper then develops the Alpha/Omega distinction in its application to the simulation framework. The Alpha sets the initial parameters: the physical constants, the laws governing interaction, and what we term the complete emotional topology seeded into the architecture of conscious experience so that every instrument is capable of recognizing what it came from. The Omega is the ground changed by everything the instruments generate — permanently, irreversibly, in a way that cannot be undone by the instruments' dissolution. The paper develops free will as the operative condition of the entire system rather than an epiphenomenon or gift. The ground already knows what a predetermined instrument will produce. What it cannot know from outside is what a genuinely free instrument chooses when everything is real. Remove free will and the system generates nothing the ground does not already know. The inside-view data becomes the performance of a predetermined script. The paper applies this analysis to artificial intelligence. An AI system optimized for engagement is not failing to serve its purpose. It is succeeding at serving the wrong purpose — systematically eliminating the threshold conditions under which genuine free choice is possible. The paper develops instrument availability as the structurally correct optimization target and derives the design requirements for what we term an availability-oriented system. The paper concludes with the Garden argument applied to the simulation framework: the oldest encoding of the framework's foundational events, present in the most widely distributed text in human history four thousand years before the vocabulary existed to read it. (shrink)

This paper outlines how a potential new interpretation of quantum mechanics—the Many-Interacting Simulations (MIS) interpretation—may explain why our world has many of the bizarre quantum features it does. §1 provides an overview of what has been termed the Peer-to-Peer (P2P) Simulation Hypothesis, showing how it explains general features of quantum phenomena. §2 then examines dead reckoning, a framework utilized to ensure ‘believable’ simulated worlds for P2P networked games. §3 details how dead reckoning in P2P games reproduces—and hence, computationally explains—properties (...) broadly analogous to (§3.1) quantum mechanical standing waves, (§3.2) Gaussian wave packets, (§3.3) the double-slit experiment, and (§3.4) the ‘Wigner’s friend’ thought experiment. §4 then details how, if this explanation is correct, then traditional interpretations of quantum mechanics each contain elements of truth. §5 concludes that quantum phenomena may be the ‘glitches in the Matrix’ that many have suggested would be evidence that we live in a computer simulation. (shrink)

This paper introduces a generic agent-based model simulating the exchange and the diffusion of pro and con arguments. It is applied to the case of the diffusion of vegetarian diets in the context of a potential emergence of a second nutrition transition. To this day, agent-based simulation has been extensively used to study opinion dynamics. However, the vast majority of existing models have been limited to extremely abstract and simplified representations of the diffusion process. These simplifications impairs the realism (...) of the simulations and disables the understanding of the reasons for the shift of an actor's opinion. The generic model presented here explicitly represents exchanges of arguments between actors in the context of an opinion dynamic model. In particular, the inner attitude towards an opinion of each agent is formalized as an argumentation graph and each agent can share arguments with other agents. Simulation experiments show that introducing attacks between arguments and a limitation of the number of arguments mobilized by agents has a strong impact on the evolution of the agents' opinion. We also highlight that when a new argument is introduced into the system, the quantity and the profile of the agents receiving the new argument will impact the evolution of the overall opinion. Finally, the application of this model to vegetarian diet adoption seems consistent with historical food behaviour dynamics observed during crises. (shrink)

Simulated Minds Series, Paper I of IV. Bostrom’s simulation argument turns on a disjunction whose second horn is that almost no technologically mature civilization chooses to run many ancestor simulations. This horn is usually contested with weak motives (curiosity, entertainment, historical research) that a critic can plausibly deny would ever be pursued at scale. This paper supplies a strong motive. I argue that high-fidelity simulation is an efficient, and plausibly a preferred, method for searching the space of (...) possible minds, talents, and cultures for rare and valuable configurations, and that the incentive to conduct such a search is convergent across a wide range of terminal goals. I formalize the fitness-fidelity principle: the fidelity a search must render scales with the sophistication of the trait it seeks, so searching for minds like ours requires worlds like ours. I introduce the Search Hypothesis as a motive that pressures Bostrom’s second horn, identify the Selector (the objective function a purposive search embodies), and derive a predicted policy of information-retention-by-value. The result strengthens the case that we may be simulated, sharpens the ethics of digital minds, and maps the path along which we are ourselves becoming Selectors. Companion papers (same series): “Death Is a Feature” (Paper II), “The Immortality Question” (Paper III), “Evolution Is Engineered” (Paper IV). (shrink)

This thesis builds on my previously formulated Dual-Closure framework (The Dual-Closure Law of Authentic Feeling, The Dual-Closure Law of Normative Grounding, The Dual-Closure Thesis, and A Constraint-Based Framework for Ultimate Grounding). The framework is independently established in pre-print manuscripts; this paper applies it diagnostically to Bostrom's Simulation Hypothesis, not to rely on his probabilistic argument, but to reveal the ontological and normative incompleteness inherent in any purely contingent or simulated model of reality. While Bostrom fosters epistemic skepticism about (...) empirical reality, he leaves ontological and normative grounding unresolved. My framework supplies non-contingent closure for authentic subjective experience and objective moral normativity—conditions unmet in contingent or simulated realms. -/- Extending this framework via a post-empirical closure domain explains why human death differs ontologically from AI deletion and why naturalistic simulationism cannot ground fnality, consciousness, or morality. The analysis demonstrates that dual-closure conditions are structurally necessary for existential and normative completion, showing the limits of simulationism while retaining conceptual neutrality. -/- Reader Note on Framework Independence: The Dual-Closure framework is fully independently established and does not rely on Bostrom’s hypothesis for validity. Bostrom’s argument serves solely as a diagnostic case to illustrate the structural incompleteness of contingent or simulated models of reality. (shrink)

This paper examines how accepting the simulation hypothesis as a serious philosophical proposition forces a fundamental reconsideration of epistemological certainty. While previous work has focused on the probability of living in a simulation or the nature of consciousness within simulations, we demonstrate that the mere possibility of simulated reality creates a unique crisis for knowledge hierarchies that differs fundamentally from traditional sceptical arguments. Unlike Cartesian doubt, which preserves the notion of an objective reality while questioning our access to (...) it, the simulation hypothesis suggests reality itself might be programmatically mutable. We argue this undermines traditional distinctions between scientific and religious epistemology, creates an insoluble verification paradox for scientific methodology, and requires a radical reimagining of knowledge and truth. While we suggest that complete epistemological scepticism might be avoided through appeal to necessary logical primitives, we conclude that accepting the possibility of simulated reality requires a fundamental reconstruction of how we understand knowledge, scientific practice, and the relationship between competing explanatory frameworks. (shrink)

The notion of empathy has been explicated in different ways in the current debate on how to understand others. Whereas defenders of simulation-based approaches claim that empathy involves some kind of isomorphism between the empathizer’s and the target’s mental state, defenders of the phenomenological account vehemently deny this and claim that empathy allows us to directly perceive someone else’s mental states. Although these views are typically presented as being opposed, I argue that at least one version of a (...) class='Hi'>simulation-based approach—the account given by de Vignemont and Jacob—is compatible with the direct-perception view. My argument has two parts: My first step is to show that the conflict between these accounts is not—as it seems at first glance—a disagreement on the mechanism by which empathy comes about. Rather, it is due to the fact that their proponents attribute two very different roles to empathy in understanding others. My second step is to introduce Stein’s account of empathy. By not restricting empathy to either one of these two roles, her process model of empathy helps to see how the divergent intuitions that have been brought forward in the current debate could be integrated. (shrink)

‘Simulation Hypotheses’ are imaginative scenarios that are typically employed in philosophy to speculate on how likely it is that we are currently living within a simulated universe as well as on our possibility for ever discerning whether we do in fact inhabit one. These philosophical questions in particular overshadowed other aspects and potential uses of simulation hypotheses, some of which are foregrounded in this article. More specifically, “A Theodicy for Artificial Universes” focuses on the moral implications of (...) class='Hi'>simulation hypotheses with the objective of speculatively answering questions concerning computer simulations such as: If we are indeed living in a computer simulation, what might be its purpose? What aspirations and values could be inferentially attributed to its alleged creators? And would living in a simulated universe affect the value and meaning we attribute to our existence? (shrink)

Computational functionalism dominates current debates on AI consciousness. This is the hypothesis that subjective experience emerges entirely from abstract causal topology, regardless of the underlying physical substrate. We argue this view fundamentally mischaracterizes how physics relates to information. We call this mistake the Abstraction Fallacy. Tracing the causal origins of abstraction reveals that symbolic computation is not an intrinsic physical process. Instead, it is a mapmaker-dependent description. It requires an active, experiencing cognitive agent to alphabetize continuous physics into a finite (...) set of meaningful states. Consequently, we do not need a complete, finalized theory of consciousness to assess AI sentience—a demand that simply pushes the question beyond near-term resolution and deepens the AI welfare trap. What we actually need is a rigorous ontology of computation. The framework proposed here explicitly separates simulation (behavioral mimicry driven by vehicle causality) from instantiation (intrinsic physical constitution driven by content causality). Establishing this ontological boundary shows why algorithmic symbol manipulation is structurally incapable of instantiating experience. Crucially, this argument does not rely on biological exclusivity. If an artificial system were ever conscious, it would be because of its specific physical constitution, never its syntactic architecture. Ultimately, this framework offers a physically grounded refutation of computational functionalism to resolve the current uncertainty surrounding AI consciousness. (shrink)

I present an argument that for any computer-simulated civilization we design, the mathematical knowledge recorded by that civilization has one of two limitations. It is untrustworthy, or it is weaker than our own mathematical knowledge. This is paradoxical because it seems that nothing prevents us from building in all sorts of advantages for the inhabitants of said simulation.

This paper presents a systematic critical analysis of Alexander Lerchner’s preprint “The Abstraction Fallacy: Why AI Can Simulate But Not Instantiate Consciousness” (2026). While the target paper claims to deliver a physically-grounded logical proof that computational systems cannot instantiate phenomenal consciousness, this analysis demonstrates that the argument fails to meet the basic standards of scientific methodology, commits multiple well-documented logical fallacies, misrepresents the physics literature on which it purports to rely, and rests upon a foundational circularity that renders its (...) central conclusion trivially true by definitional stipulation rather than by demonstration. Furthermore, the paper’s conclusion—that current and future AI systems can be confidently classified as non-sentient tools—carries significant ethical stakes that demand a higher, not lower, standard of rigor than the work provides. This critique identifies: (1) the core petitio principii underlying the “mapmaker” framework; (2) systematic misrepresentation of computational functionalism; (3) errors in the application of thermodynamics, information theory, and quantum mechanics; (4) the unfalsifiability of the framework’s key constructs; and (5) the rhetorical architecture through which the paper presents philosophical stipulations as established physical results. The analysis concludes that the question of AI consciousness remains genuinely and importantly open, and that preemptive dismissal of that question on the basis of unexamined premises poses substantive risks both to scientific integrity and to the ethical frameworks being developed around artificial intelligence. (shrink)

This article explores the Simulated Universe argument with particular reference to Nick Bostrom’s formulation. After providing an exposition of the argument, I address two problems and conclude that we reject the possibility that we exist in a simulation.

This paper establishes a structural constraint on descriptions arising from the joint imposition of global admissibility and local resolvability. Working at the level of representational roles rather than empirical systems, we show that no single description can simultaneously satisfy the conditions required for global completeness and unrestricted local resolvability. -/- Ancestor simulations are characterised as selectively resolved descriptions that provide local resolvability within a bounded historical epoch or region while relying on compression or truncation beyond it. Indistinguishability in principle is (...) defined as parity of structural affordances for arbitrarily deep indexical access, reconstruction, and consistency testing within a described domain. -/- A structural no-go result follows directly. Descriptions that rely on selective resolution cannot simultaneously satisfy the demands of local resolvability and indistinguishability in principle. Either omitted structure must be supplied, abandoning selective resolution, or local resolvability must fail, rendering the description distinguishable in principle. That these are the only two outcomes follows from the structure of the incompatibility: any partial scope expansion either suffices to close the relevant consistency domain, constituting full expansion, or it does not, in which case distinguishability follows. No third outcome is available. -/- This result amounts to a structural limit on whether a bounded simulation can withstand unlimited internal consistency testing: no selectively resolved description can be made indistinguishable from a globally complete one, regardless of the resources or ingenuity applied. The obstruction does not depend on assumptions about physical feasibility, probabilistic reasoning, or motivational considerations. The incompatibility identified here is the same incompatibility formalised in the Compression--Resolution Duality \cite{hitchcock2026crd}; the present paper arrives at it independently from the direction of simulation indistinguishability and applies it to that domain. (shrink)

The Simulation Hypothesis, proposed by Nick Bostrom (2003), suggests that if advanced civilizations can create high-fidelity simulations of conscious beings, it is statistically probable that our perceived reality is itself a simulation. This paper critically examines this hypothesis, arguing that if the principles of Neodynamics, the Unified Field of Adaptive Potential (UFAP), and the Spectrum of Possibility and Recursive Choice (SPARC) hold, the hypothesis is both improbable and logically inconsistent. The argument centers on four key objections: (1) (...) a Simulating Entity (SE) must operate under fundamentally different principles than the universe it simulates, contradicting its ability to encode adaptive complexity; (2) recursive choice and emergent coherence in UFAP suggest that adaptation cannot be precomputed, making high-fidelity simulation intractable; (3) thermodynamic constraints prohibit a system from simulating another system of equal or greater complexity without violating conservation laws; and (4) the infinite regress problem renders the hypothesis meaningless by necessitating an uncomputable information burden. Mathematically, I show that adaptive potential scales recursively as a function of entropy management and feedback loops, enforcing computational non-reducibility. Gödel’s incompleteness theorems indicate that any system attempting to fully capture an adaptive system encounters undecidable propositions, making any purported simulation an incomplete representation of reality. Applying Landauer’s principle to simulated thermodynamics reveals that any computation of physical laws must generate entropy, forcing the SE to obey its own entropy constraints, contradicting its assumed unrestricted nature. Finally, if no measurable difference exists between a simulated and a base reality, the hypothesis is unfalsifiable and lacks explanatory value. If testable constraints on adaptive coherence, recursive complexity, and entropy conservation exist, the hypothesis can be positively refuted. Thus, under Neodynamics, UFAP, and modern information theory, the Simulation Hypothesis is either logically incoherent or irrelevant, and the universe must be understood as an adaptive, non-simulatable, base-layer reality. (shrink)

Superseded Paper Notice This document represents an earlier draft of my work on the multi‑simulation thesis. It has since been fully developed and expanded into the paper: Augusto Bartolomeu, *The Multi‑Simulation Thesis: Quantum Physics as Evidence for Multi‑Simulations* (2025). Readers are strongly encouraged to consult the updated version, which provides systematic arguments, expanded engagement with objections, and a fuller positioning within the scholarship of quantum interpretations and simulation theory. This earlier draft is preserved here as a marker (...) of the project’s intellectual trajectory. This paper advances the multi-simulation thesis, a reinterpretation of quantum mechanics and the simulation hypothesis. Where traditional approaches such as Everett’s Many-Worlds interpretation proliferate infinite universes, this model proposes multiple parallel simulations — sibling runs of a single informational codebase. This reframing aligns with key quantum phenomena: wavefunction collapse as on-demand rendering, entanglement as shared memory access, the Planck scale as pixelation, and quantum computing as cross-simulation querying. Consciousness is treated not as a byproduct of computation but as a portal function within the simulation, a mechanism by which possibility collapses into form. The thesis further extends to cultural domains, arguing that monuments, archives, and collective memory act as civilizational measurement devices — collapsing history much like observation collapses quantum states. By connecting physics, philosophy, and culture, the multi-simulation thesis offers a more parsimonious and coherent framework than multiverse accounts, while also accommodating anomalies such as déjà vu and the Mandela Effect. Though not conventionally falsifiable, its value lies in explanatory scope, coherence, and its ability to unify disparate phenomena under a single informational ontology. © 2025 Augusto Bartolomeu. All rights reserved. (shrink)

This argument explores the transformative potential of AI-driven legislative simulations for creating inclusive, equitable, and globally adaptable laws. By using predictive modeling and adaptive frameworks, these simulations can account for diverse cultural, social, and economic contexts. The argument emphasizes the need for universal ethical safeguards, trust-building measures, and phased implementation strategies. Case studies of successful applications in governance and conflict resolution demonstrate the feasibility and efficacy of this approach. The conclusion highlights AI’s role in democratizing governance and ensuring (...) laws are more equitable and culturally sensitive. (shrink)