Most physics theories are deterministic, with the notable exception of quantum mechanics which, however, comes plagued by the so-called measurement problem. This state of affairs might well be due to the inability of standard mathematics to “speak” of indeterminism, its inability to present us a worldview in which new information is created as time passes. In such a case, scientific determinism would only be an illusion due to the timeless mathematical language scientists use. To investigate this possibility it is (...) necessary to develop an alternative mathematical language that is both powerful enough to allow scientists to compute predictions and compatible with indeterminism and the passage of time. We suggest that intuitionistic mathematics provides such a language and we illustrate it in simple terms. (shrink)

An overview of chaos, indeterminism, free will and the relationship between physics and free will.

Does the brain behave indeterministically? I argue that accounting for ion channels, key functional units in the brain, requires indeterministic models. These models are probabilistic, so the brain does behave indeterministically in a weak sense. I explore the implications of this point for a stronger sense of indeterminism. Ultimately I argue that it is not possible, either empirically or through philosophical argument, to show that the brain is indeterministic in that stronger sense.

It is a commonplace of philosophy that the notion of free will is a hard nut to crack. A simple, compelling argument can be made to show that behavior for which an agent is morally responsible cannot be the outcome of prior determining causal factors.1 Yet the smug satisfaction with which we incompatibilists are prone to trot out this argument has a tendency to turn to embarrassment when we're asked to explain just how it is that morally responsible action might (...) obtain under the assumption of indeterminism. Despair over the prospect of giving a satisfactory answer to this question has led some contemporary philosophers to a position rarely, if ever, held in the history of philosophy: free, responsible action is an incoherent concept.2. (shrink)

Sometimes it is indeterminate what an agent morally ought do. This generates a Decision Ought Challenge—to give moral guidance to agents in such a scenario. This article is a field guide to the options for a theory of the decision ought for cases of indeterminacy. Three categories of view are evaluated, and the best representative for each is identified.

It is usual to identify initial conditions of classical dynamical systems with mathematical real numbers. However, almost all real numbers contain an infinite amount of information. I argue that a finite volume of space can’t contain more than a finite amount of information, hence that the mathematical real numbers are not physically relevant. Moreover, a better terminology for the so-called real numbers is “random numbers”, as their series of bits are truly random. I propose an alternative classical mechanics, which is (...) empirically equivalent to classical mechanics, but uses only finite-information numbers. This alternative classical mechanics is non-deterministic, despite the use of deterministic equations, in a way similar to quantum theory. Interestingly, both alternative classical mechanics and quantum theories can be supplemented by additional variables in such a way that the supplemented theory is deterministic. Most physicists straightforwardly supplement classical theory with real numbers to which they attribute physical existence, while most physicists reject Bohmian mechanics as supplemented quantum theory, arguing that Bohmian positions have no physical reality. (shrink)

Disjunctions and indefinites trigger so-called 'free choice' effects when interacting with various flavors of modals – be they epistemic, deontic, or what not. Existing accounts of the free choice effect (at the time of writing, that is, 2002) struggled with the traditional assumption that modals select propositions, hence can’t really ‘see’ a free choice indefinite buried somewhere in their scope. There was then no compositional account of the link between free choice indefinites and modals, nor an explanation why there should (...) be such a link. Our analysis of the free choice effect was based on the idea that free choice indefinites – like Japanese so-called 'indeterminate phrases' - create Hamblin sets, hence alternatives. Those alternatives keep expanding until they meet an operator that can make use of them. In this way, a local link between an indefinite and a modal can be established. The alternatives created by the indefinite can then be ‘distributed over’ the set of accessible worlds. On our account, the alternatives to be distributed grow into propositions, and are not individuals any longer. This is what makes a compositional semantics for free choice indefinites possible. (shrink)

Pure indeterminism is simply the denial of determinism; a theory may augment this with models in which the uncertain events have definite probabilities. De Finetti's representation theorem, which pertains to permutation symmetry, and ergodic theory (for abstract dynamical systems) provide illustrations of classical probabilistic theories. A number of features generally discussed in connection with quantum mechanics are already found in classical probability models. These include symmetry constraints and a general form for dynamical equations (analogous to Schroedinger's equation) as well (...) as the sort of holism involved in ’non‐local’ correlations. (shrink)

Resolution Matrix Semantics (RMS) introduces the alternative truth-value-based framework for modal logic, providing a substantive alternative to Kripke’s relational semantics of possible worlds. Drawing inspiration from Y. Ivlev’s substantive semantics, RMS utilizes a 4-valued structure—necessary truth (tn), contingent truth (tc), contingent false (fc), and necessary false (fn)—augmented by indeterminate values (t, f, t/f) to define modal systems Km, KDm, KTm, S4m, and S5m, analogous to Kripke’s K, KD, T, S4, and S5. By directly assigning determined and indeterminate truth values via (...) an interpretation function, RMS validates formulas without relying on accessibility relations, as demonstrated through soundness and completeness proofs and a tailored tableau method. The framework’s versatility extends to applications in deontic logic, artificial intelligence, and quantum computing, enabling context-dependent reasoning with computational efficiency. RMS thus bridges philosophical logic and practical domains, offering a truth-centric perspective on modal reasoning’s complexities. (shrink)

Explanations of the genuine openness of the future often appeal to objective indeterminacy. According to the received view, such indeterminacy is indeterminacy of certain future-tensed state of affairs that presently obtain. We shall call this view the weak indeterminate present, to distinguish it from the view we will defend in this paper, which we dub the strong indeterminate present. According to our view, unsettledness of the future is grounded on the present indeterminacy of some present-tensed state of affairs. In order (...) for an indeterminate present-tensed state of affairs to explain the unsettledness of a future-tensed state of affairs, there has to be a connection between the two. We argue that this connection can only be provided if we look at the internal structure of the relevant state of affairs. Finally, we will suggest that the best background theory to explain the connection are the so-called spontaneous collapse models of quantum mechanics. (shrink)

We argue that indeterminate probabilities are not only rationally permissible for a Bayesian agent, but they may even be rationally required . Our first argument begins by assuming a version of interpretivism: your mental state is the set of probability and utility functions that rationalize your behavioral dispositions as well as possible. This set may consist of multiple probability functions. Then according to interpretivism, this makes it the case that your credal state is indeterminate. Our second argument begins with our (...) describing a world that plausibly has indeterminate chances. Rationality requires a certain alignment of your credences with corresponding hypotheses about the chances. Thus, if you hypothesize the chances to be indeterminate, your will inherit their indeterminacy in your corresponding credences. Our third argument is motivated by a dilemma. Epistemic rationality requires you to stay open-minded about contingent matters about which your evidence has not definitively legislated. Practical rationality requires you to be able to act decisively at least sometimes. These requirements can conflict with each other-for thanks to your open-mindedness, some of your options may have undefined expected utility, and if you are choosing among them, decision theory has no advice to give you. Such an option is playing Nover and Hájek’s Pasadena Game , and indeed any option for which there is a positive probability of playing the Pasadena Game. You can serve both masters, epistemic rationality and practical rationality, with an indeterminate credence to the prospect of playing the Pasadena game. You serve epistemic rationality by making your upper probability positive-it ensures that you are open-minded. You serve practical rationality by making your lower probability 0-it provides guidance to your decision-making. No sharp credence could do both. (shrink)

I focus my discussion on the well-known Ellsberg paradox. I find good normative reasons for incorporating non-precise belief, as represented by sets of probabilities, in an Ellsberg decision model. This amounts to forgoing the completeness axiom of expected utility theory. Provided that probability sets are interpreted as genuinely indeterminate belief, such a model can moreover make the “Ellsberg choices” rationally permissible. Without some further element to the story, however, the model does not explain how an agent may come to have (...) unique preferences for each of the Ellsberg options. Levi holds that the extra element amounts to innocuous secondary “risk” or security considerations that are used to break ties when more than one option is rationally permissible. While I think a lexical choice rule of this kind is very plausible, I argue that it involves a greater break with xpected utility theory than mere violation of the ordering axiom. (shrink)

It has been argued recently that perception is indeterminate. But there are more than one ways of spelling out what this means. The standard line is that perceptual states attribute different probabilities to different propositions. I provide an alternative to this view, where it is not the attitude, but the content of perceptual states that is indeterminate, inasmuch as it consists of the representation of determinable properties. This view does justice to the more general claim that perception is indeterminate without (...) appealing to probability either in the attitude or in the content. (shrink)

Indeterminate Bodies organizes a number of theoretical and empirical studies around the concept and actuality of indeterminacy, as it relates to body and society. Located within the struggle to apprehend different categories of ‘body’ in the volatile flows of late-capital, indeterminacy is considered through such multiple incarnations as economy, contingency, inheritance, question, force, uncertainty, materiality and affective resistance to determination. While indeterminacy is often positioned as the ‘trouble’ or friction in subject/object knowledge-formation (framed as ontological or empirical challenge), it also (...) engenders affects such that some subjects are both in and out of recognition. Questions of indeterminacy overlap with work on imperceptibility, giving rise to interlocked questions about the modes of representation, categorization, inclusion, exclusion and sensibility in the production of bodies. We address the hesitancies, difficulties and necessities of working with and through indeterminacy in order open up new descriptions, visions and modes of political work. (shrink)

The problem of indeterminism in quantum mechanics usually being considered as a generalization determinism of classical mechanics and physics for the case of discrete (quantum) changes is interpreted as an only mathematical problem referring to the relation of a set of independent choices to a well-ordered series therefore regulated by the equivalence of the axiom of choice and the well-ordering “theorem”. The former corresponds to quantum indeterminism, and the latter, to classical determinism. No other premises (besides the above (...) only mathematical equivalence) are necessary to explain how the probabilistic causation of quantum mechanics refers to the unambiguous determinism of classical physics. The same equivalence underlies the mathematical formalism of quantum mechanics. It merged the well-ordered components of the vectors of Heisenberg’s matrix mechanics and the non-ordered members of the wave functions of Schrödinger’s undulatory mechanics. The mathematical condition of that merging is just the equivalence of the axiom of choice and the well-ordering theorem implying in turn Max Born’s probabilistic interpretation of quantum mechanics. Particularly, energy conservation is justified differently than classical physics. It is due to the equivalence at issue rather than to the principle of least action. One may involve two forms of energy conservation corresponding whether to the smooth changes of classical physics or to the discrete changes of quantum mechanics. Further both kinds of changes can be equated to each other under the unified energy conservation as well as the conditions for the violation of energy conservation to be investigated therefore directing to a certain generalization of energy conservation. (shrink)

The claim that common sense regards free will and moral responsibility as compatible with determinism has played a central role in both analytic and experimental philosophy. In this paper, we show that evidence in favor of this “natural compatibilism” is undermined by the role that indeterministic metaphysical views play in how people construe deterministic scenarios. To demonstrate this, we re-examine two classic studies that have been used to support natural compatibilism. We find that although people give apparently compatibilist responses, this (...) is largely explained by the fact that people import an indeterministic metaphysics into deterministic scenarios when making judgments about freedom and responsibility. We conclude that judgments based on these scenarios are not reliable evidence for natural compatibilism. (shrink)

Probability and indeterminism have always been core philosophical themes. This paper aims to contribute to understanding probability and indeterminism in biology. To provide the background for the paper, it will first be argued that an omniscient being would not need the probabilities of evolutionary theory to make predictions about biological processes. However, despite this, one can still be a realist about evolutionary theory, and then the probabilities in evolutionary theory refer to real features of the world. This prompts (...) the question of how to interpret biological probabilities which correspond to real features of the world but are in principle dispensable for predictive purposes. This paper will suggest three possible interpretations. The first interpretation is a propensity interpretation of kinds of systems. It will be argued that backward probabilities in biology do not present a problem for this propensity interpretation. The second interpretation is the frequency interpretation. Third, I will suggest Humean chances are a new interpretation of probability in evolutionary theory. Finally, this paper discusses Sansom’s argument that biological processes are indeterministic because probabilities in evolutionary theory refer to real features of the world. It will be argued that Sansom’s argument is not conclusive, and that the question whether biological processes are deterministic or indeterministic is still with us. (shrink)

A view that emancipates free will by means of quantum indeterminism is frequently rejected based on arguments pointing out its incompatibility with what we know about quantum physics. However, if one carefully examines what classical physical causal determinism and quantum indeterminism are according to physics, it becomes clear what they really imply–and, especially, what they do not imply–for agent-causation theories. Here, we will make necessary conceptual clarifications on some aspects of physical determinism and indeterminism, review some of (...) the major objections against libertarian conjectures, and show that there is no conceptual incompatibility preventing us from taking a ‘quantum-libertarian’ approach to the problem of free will. In particular, we will illustrate the possible role of self-causation (causa sui) as a potential solution to otherwise apparently incompatible or even paradoxical statements concerning free will and quantum indeterminism. (shrink)

The paper defends an Aristotelian notion of indeterminism, as rigorously formulated in the framework of branching space-times (BST) of Belnap (1992), against the model-theoretic characterization of indeterminism that Montague (1962) introduced into the philosophy of science. It delineates BST branching against the background provided by Earman's (2008) distinction between individual vs. ensemble branching. It describes a construction of physically-motivated BST models, in which histories are isomorphic to Minkowski spacetime. Finally it responds to criticism leveled against BST by addressing (...) some semantical questions, a topological issue, and the past/future asymmetry. (shrink)

We argue that Brandon and Carson's (1996) "The Indeterministic Character of Evolutionary Theory" fails to identify any indeterminism that would require evolutionary theory to be a statistical or probabilistic theory. Specifically, we argue that (1) their demonstration of a mechanism by which quantum indeterminism might "percolate up" to the biological level is irrelevant; (2) their argument that natural selection is indeterministic because it is inextricably connected with drift fails to join the issue with determinism; and (3) their view (...) that experimental methodology in botany assumes indeterminism is both false and incompatible with the commitment to discoverable causal mechanisms underlying biological processes. We remain convinced that the probabilism of the theory of evolution is epistemically, not ontologically, motivated. (shrink)

Sider (Four-dimensionalism 2001; Philos Stud 114:135–146, 2003; Nous 43:557–567, 2009) has developed an influential argument against indeterminacy in existence. In what follows, I argue that the defender of metaphysical forms of indeterminate existence has a unique way of responding to Sider’s argument. The response I’ll offer is interesting not only for its applicability to Sider’s argument, but also for its broader implications; responding to Sider helps to show both how we should think about precisification in the context of metaphysical indeterminacy (...) and how we should understand commitment to metaphysically indeterminate existence. And if I’m right that metaphysical indeterminacy can allow for indeterminate existence in a way that semantic indeterminacy can’t, indeterminate existence might actually give us a reason to accept metaphysical indeterminacy (rather than a reason to reject it, as is commonly assumed). (shrink)

Originally published in 1934, this book presents the content of an inaugural lecture delivered by the British philosopher Charles Dunbar Broad (1887-1971), upon taking up the position of Knightbridge Professor of Moral Philosophy at Cambridge University. The text presents a discussion of the relationship between determinism, indeterminism and libertarianism. This book will be of value to anyone with an interest in the writings of Broad and the history of philosophy.

The causal Markov condition (CMC) plays an important role in much recent work on the problem of causal inference from statistical data. It is commonly thought that the CMC is a more problematic assumption for genuinely indeterministic systems than for deterministic ones. In this essay, I critically examine this proposition. I show how the usual motivation for the CMC—that it is true of any acyclic, deterministic causal system in which the exogenous variables are independent—can be extended to the indeterministic case. (...) In light of this result, I consider several arguments for supposing indeterminism a particularly hostile environment for the CMC, but conclude that none are persuasive. Introduction Functional models and directed graphs The causal Markov theorem The causal Markov theorem and genuine indeterminism Are the exogenous variables independent? EPR Conclusion. (shrink)

In §2-4, I survey three extant ways of making sense of indeterminate truth and find each of them wanting. All the later sections of the paper are concerned with showing that the most promising way of making sense of indeterminate truth is via either a theory of truthmaker gaps or via a theory of truthmaking gaps. The first intimations of a truthmaker–truthmaking gap theory of indeterminacy are to be found in Quine (1981). In §5, we see how Quine proposes to (...) solve Unger’s problem of the many via positing the possibility of groundless truth. In §6, I elaborate the truthmaker gap model of indeterminacy first sketched by Sorensen (2001, ch.11) and use it to give a reductive analysis of indeterminate truth. In §7, I briefly assess what kind of formal framework can best express the possibility of truthmaker gaps. In §8, I contrast what I dub ‘the ordinary conception of worldly indeterminacy’ with Williamson’s conception of worldly indeterminacy. In §9, I show how one can distinguish linguistic from worldly indeterminacy on a truthmaker gap conception. In §10, I briefly sketch the relationship between truthmaker gaps and ignorance. In §11, I assess whether a truthmaker gap conception of vagueness is really just a form of epistemicism. In §12, I propose that truthmaker gaps can yield a plausible model of (semantic) presupposition failure. In §13, in response to the worry that a truthmaker gap conception of indeterminacy is both parochial and controversial—since it commits us to an implausibly strong theory of truthmaking—I set forth a truthmaking gap conception of indeterminacy. In §14, I answer the worry that groundless truths, of whatever species, are just unacceptably queer. A key part of this answer is that a truthmaker–truthmaking gap model of indeterminacy turns out to be considerably less queer than any model of indeterminacy which gives up on Tarski’s T-schema for truth (and cognate schemas). (shrink)

In "The Indeterministic Character of Evolutionary Theory: No 'Hidden Variables Proof' But No Room for Determinism Either," Brandon and Carson (1996) argue that evolutionary theory is statistical because the processes it describes are fundamentally statistical. In "Is Indeterminism the Source of the Statistical Character of Evolutionary Theory?" Graves, Horan, and Rosenberg (1999) argue in reply that the processes of evolutionary biology are fundamentally deterministic and that the statistical character of evolutionary theory is explained by epistemological rather than ontological considerations. (...) In this paper I focus on the topic of mutation. By focusing on some of the theory and research on this topic from early to late, I show how quantum indeterminism hooks up to point mutations (via tautomeric shifts, proton tunneling, and aqueous thermal motion). I conclude with a few thoughts on some of the wider implications of this topic. (shrink)

I assess Robert Kane's view that global Frankfurt-type cases don't show that freedom to do otherwise is never required for moral responsibility. I first adumbrate Kane's indeterminist account of free will.This will help us grasp Kane's notion of ultimate responsibility, and his claim that in a global Frankfurt-type case, the counterfactual intervener could not control all of the relevant agent's actions in the Frankfurt manner, and some of those actions would be such that the agent could have done otherwise. Appealing (...) to considerations of responsibility and luck, I then show that the global cases survive Kane's objections. (shrink)

The present paper studies a specific way of addressing the question whether the laws involving the basic constituents of nature are statistical. While most German physicists, above all Planck, treated the issues of determinism and causality within a Kantian framework, the tradition which I call Vienna Indeterminism began from Mach’s reinterpretation of causality as functional dependence. This severed the bond between causality and realism because one could no longer avail oneself of a priori categories as a criterion for empirical (...) reality. Hence, an independent reality criterion had to be sought, a problem which all three physicists to be studied solved in different ways that were mainly conditioned by their different concepts of probability. In order to prevent a dissipation of intuited facts, Mach had to resort to a principle of unique determination as his reality criterion, especially when discussing the Principle of Least Action. Giving theories more independence, Boltzmann understood atomism as property reduction to precisely defined theoretical entities and their interactions. While this served as a relative reality criterion, he also advocated a constructivist one because atomism was already implied by our finitary reasoning power. Finally, Exner contemplated the idea that all apparently deterministic laws are only a macroscopic limit of an irreducible indeterminism, because by adopting the frequency interpretation, observable collectives could be considered as the real basic entities. (shrink)

I examine different arguments that could be used to establish indeterminism of neurological processes. Even though scenarios where single events at the molecular level make the difference in the outcome of such processes are realistic, this falls short of establishing indeterminism, because it is not clear that these molecular events are subject to quantum mechanical uncertainty. Furthermore, attempts to argue for indeterminism autonomously (i.e., independently of quantum mechanics) fail, because both deterministic and indeterministic models can account for (...) the empirically observed behavior of ion channels. (shrink)

A non-solipsist form of presentness is usually thought to require the non-relative co-presentness of space-like separated events, where this requirement further implies the non-relative simultaneity of these events. Since special relativity is thought to rule out any global, non-relative simultaneity, typical non-solipsist forms of presentness are taken to be inconsistent with special relativity. To address this problem, we re-explain the relationship between the non-solipsism of presentness and co-presentness by appealing to metaphysical indeterminacy. We propose presentness indeterminacy, the thesis that where (...) an event, p, is determinately present, any event in space-like relation to p lacks a determinate tense. We argue that for many theories of time, indeterminate co-presentness is all that the non-solipsism of presentness requires. Since there is no determinate co-presentness, the inconsistency between presentness and special relativity in these theories disappears. (shrink)

I apply my “global” theory of vagueness to the question of vague identity. I consider, in particular, the application of the theory to the case of fission and attempt to show that the theory is able to preserve the connection between identity and what matters and between identity and psychological continuity.

Can we solve the Problem of the Many, and give a general account of the indeterminacy in definite descriptions that give rise to it, by appealing to metaphysically indeterminate entities? I argue that we cannot. I identify a feature common to the relevant class of definite descriptions, and derive a contradiction from the claim that each such description is satisfied by a metaphysically indeterminate entity.

One of the most important objections to sense data theory comes from the phenomenon of indeterminate perception, as when an object in the periphery of one’s visual field looks red without looking to have any determinate shade of red. As sense data are supposed to have precisely the properties that sensibly appear to us, sense data theory evidently has the implausible consequence that a sense datum can have a determinable property without having any of its determinates. In this article, I (...) show that a parallel objection applies to standard forms of colour relationism. In light of the phenomenon of indeterminate perception, the colour relationist must either reject intuitively obvious claims about the determinate–determinable structure of colour space or reject the plausible and widely accepted principle that nothing can have a determinable without having one of its determinates. (shrink)

This paper examines the question of how so-called indeterminate phrases in Japanese (Kuroda 1965) associate with relevant particles higher in the structure. In the universal construction in Japanese, the restrictor (provided by an indeterminate phrase) sometimes appears to be separate from the universal particle mo. It is proposed that quantification at a distance is only apparent, and that the restriction is in fact provided locally by the sister constituent of mo as a whole. The proposal leads us to a straightforward (...) uniform picture of the syntax-semantics mapping of the universal construction and wh-questions, building upon Hamblin’s (1973) semantics for wh-phrases as sets of alternatives. It allows for a switch of perspective on a long-standing puzzle regarding locality effects in the indeterminate–particle association by deriving the locality pattern from the way indeterminate phrases are interpreted and associated with particles, without any stipulations. (shrink)

A suspicion about libertarian free will is that freedom is undermined, rather than supported, by the positing of indeterminism within processes of volition. In response, this paper presents a way in which moments of indeterminism can enhance freedom, by showing how such moments can genuinely belong to the agent. The key idea is that of putting the imagination to work in the service of free agency. The suggestion is that indeterministic processes of imaginative generativity can both belong to (...) an agent, and provide a ground for claims of freedom. In contrast to Robert Kane’s libertarian proposal of locating critical self-forming actions in special moments of rational choice, freedom-friendly indeterministic moments of self-shaping are instead posited within processes of imaginative generativity in which our future possibilities are imagined. This incompatibilist alternative to traditional libertarianism is briefly compared to Mele’s modest libertarianism, and defended against a selection of likely criticisms. (shrink)

This paper deals with the historical and philosophical background of the introduction of the notion of branching time in philosophical logic as it is revealed in the hitherto unpublished mail-correspondence between Saul Kripke and A.N. Prior in the late 1950s. The paper reveals that the idea was first suggested by Saul Kripke in a letter to A.N. Prior, dated September 3, 1958, and it is shown how the elaboration of the idea in the course of the correspondence was intimately intervowen (...) with considerations of how to represent indeterminism and of the adequacy of tensed logic in light of special relativity. The correspondence underpins the point that Prior's later development of branching time may be understood as a crucial part of his attempt at the formulating a conceptual framework integrating basic human notions of time and free choice. (shrink)

In this paper, I develop a view on set-theoretic ontology I call Universe-Indeterminism, according to which there is a unique but indeterminate universe of sets. I argue that Solomon Feferman’s work on semi-constructive set theories can be adapted to this project, and develop a philosophical motivation for a semi-constructive set theory closely based on Feferman’s but tailored to the Universe-Indeterminist’s viewpoint. I also compare the emergent Universe-Indeterminist view to some more familiar views on set-theoretic ontology.

Quando falamos em uma finalidade na natureza, a defesa de um télos determinista costuma estar sempre presente nas diversas teleologias. Ainda assim, existem teorias que propõem uma finalidade indefinida. Nessa divisão, poderíamos colocar Adam Ferguson na esteira de um télos determinista, ao defender um design na natureza; no entanto, isso seria incorreto e até difícil de reconciliar com a ideia de declínio das sociedades. Para Ferguson, analogamente ao processo de envelhecimento dos seres humanos, as sociedades também “envelhecem” (decaem), embora não (...) pereçam tal como os homens, pois cada geração que nasce renova a sociedade. Assim, a renovação e o declínio das sociedades só se tornam inteligíveis enquanto dinâmica histórica se o télos da sociedade fosse indefinido. Desse modo, o objetivo deste texto é evidenciar que a filosofia fergusoniana embora admita uma finalidade na natureza, não empreende esforços para defender um telos determinista, mas sim um télos indefinido. Para isso, dividiremos o texto em três partes: i) argumentamos que o conteúdo da finalidade é indefinido; ii) apresentaremos as consequências dessa finalidade indefinida; e iii) faremos críticas às teleologias defendidas, ou rejeitadas, por outros comentadores, a saber: Craig Smith, Lisa Hill e Eveline Hauck. (shrink)

The general question to which Edwards here addresses himself is "whether any event whatsoever, and volition in particular, can come to pass without a cause of its existence," and among other arguments for a negative answer he has a reductio ad absurdum, arguing that if an act of will can occur without a cause, then anything at all, no matter how fantastic, can occur without a cause. There is, he says in effect, an inner contradiction in the notion that uncaused (...) events are bound always to be acts of will. We must note, however, in following his argument through, that his language is not quite that which I have just used, and in particular he does not speak primarily of what "occurs" but rather of what "begins to be." He says. (shrink)

In a recent paper in this journal, “How should libertarians conceive of the location and role of indeterminism?” Christopher Evan Franklin critically examines my libertarian view of free will and attempts to improve upon it. He says that while Kane's influential [view] offers many important advances in the development of a defensible libertarian theory of free will and moral responsibility … [he made] “two crucial mistakes in formulating libertarianism” – one about the location of indeterminism, the other about (...) its role – “both of which have helped fan the flame of the luck argument”. In this paper, I respond to Franklin's criticisms, arguing that, so far from making it significantly more difficult to answer objections about luck and control, as he claims, giving indeterminism the location and role I do makes it possible to answer such objections and many other related objections to libertarian free will. A central theme of this paper will emerge in my responses: In order to make sense of freedom of will... (shrink)

Various people have claimed that some cases involve indeterminate permissibility. However, it’s unclear what guidance one can take away from this fact: are indeterminately permissible options choiceworthy and if so when? In this paper, I present a counterexample that undermines two existing responses to this question and I then present two alternative solutions that avoid this counterexample.

Many philosophers are persuaded by familiar arguments that free will is incompatible with causal determinism. Yet, notoriously, past attempts to articulate how the right type of indeterminism might secure the capacity for autonomous action have generally been regarded as either demonstrably inadequate or irremediably obscure. This volume gathers together the most significant recent discussions concerning the prospects for devising a satisfactory indeterministic account of freedom of action. These essays give greater precision to traditional formulations of the problems associated with (...) indeterministic accounts and to the range of theoretical avenues for pursuing resolutions. The first four essays set out different challenges (from both compatibilists and those skeptical of the possibility of free will) to the adequacy of standard indeterministic theories. The next seven essays meet one or more of these challenges. Each of the fundamental types of approach--simple indeterminism, causal indeterminism, and agent causation--is represented in these novel and sophisticated proposals. The collection finishes with two essays that debate whether compatibilism entails that freedom of choice is a comparatively rare phenomenon within an individual's life. Eloquently presenting some of the most compelling and accessible arguments surrounding this central philosophical issue, Agents, Causes, and Events makes a valuable contribution to courses in free will/action theory and metaphysics. (shrink)

Aquinas sometimes references “indeterminate dimensions” in his early discussions of material substances. His discussions of these dimensions are few and brief, and the notable absence of the term from his later work has left their status in his ontology a mystery and spawned a debate about whether he changed his mind. In this paper, I offer a new understanding of indeterminate dimensions, one which is coherent with Aquinas’s own words and has the advantage of explaining several puzzling features of these (...) dimensions; then, I argue that some version of indeterminate dimensions remains a feature of his later understanding of material substances, but with a significant difference that results from a more important change of mind about the relationship between prime matter and substantial form. I conclude with a suggestion of how understanding this development in Aquinas’s thought sheds light on his mature view on individuation. (shrink)

When one allows truth to be indeterminate, “fixed point” interpretations can be found even when the language includes sentences such as the liar paradox. In this chapter this kind of account is applied to rational credences, to find non-undermining indeterminate epistemic states even in certain situations which have been discussed as challenges for rationality. In the process of doing this, a deeper understanding of how the supervaluational account of truth works is obtained, especially when one focuses on sets of precisifications.

Quantum indeterminism may make available the option of an interactionism that does not have to pay the price of a force over and above those forces that are acknowledged in physics in order to explain how intentions can be physically effective. I show how this option might work in concrete terms and offer a criticism of it.

Laplacean determinism remains a popular theory among philosophers and scientists alike, in spite of the fact that the Copenhagen Interpretation of quantum mechanics, with which it is inconsistent, has been around for more than fifty years. There are a number of reasons for its continuing popularity. One, recently articulated by Honderich, is that there are too many possible interpretations of quantum mechanics, and the subject is too controversial even among physicists to be an adequate basis for overturning determinism. Nevertheless, quantum (...) mechanics is an enormously successful theory, considering the quantity and variety of its predictions which have been verified under conditions never dreamt of by its originators; and the Copenhagen Interpretation is the only widely accepted interpretation of it. Although a hidden variable theory consistent with the results of quantum mechanics is not impossible, one of its major advocates admits that it is highly speculative, and far from adequately developed. Yet such a theory would be needed to reconcile Laplacean determinism with quantum mechanics; most of the controversies alluded to by Honderich are irrelevant. (shrink)

I first adumbrate pertinent aspectsof Robert Kane''s libertarian theory of free choice oraction and an objection of luck that has been levelledagainst the theory. I then consider Kane''s recentresponses to this objection. To meet these responses,I argue that the view that undetermined choices (ofthe sort implied by Kane''s theory) are a matter ofluck is associated with a view about actionexplanation, to wit: when Jones does A and hisdoing of A is undetermined, and when hiscounterpart, Jones*, in the nearest possibleworld in (...) which the past and the laws are held constantuntil the moment of choice does B instead, thereis no explanation (deterministic or indeterministic)of the difference in outcome – Jones''s A-ing butJones*''s B-ing – in terms of prior reasonsor motives of either agent. Absence of such anexplanation is one crucial factor that underliesthe charge that Jones''s A-ing and Jones*''sB-ing are matters of luck. I argue that thissort of luck is incompatible with responsibility. (shrink)

Drawing on Aristotle’s notion of “ultimate responsibility,” Robert Kane argues that to be exercising a free will an agent must have taken some character forming decisions for which there were no sufficient conditions or decisive reasons. That is, an agent whose will is free not only had the ability to develop values and beliefs besides those that presently make up her motives, but could have exercised that ability without being irrational. An agent wills freely, on this view, by beingultimately responsible (...) for how she is currently disposed to act. Kane needs, then, to show how an agent could be responsible for decisions that her deliberations did not guarantee. He must also explain how a decision for which there is no decisive reason could yet be rational, assuming that the responsibility engendering decisions forming the basis of a free will would be rational. I shall argue here that Kane has achieved neither of these goals. (shrink)