Charles Travis presents a series of essays on philosophy of perception, inspired by the insights of Gottlob Frege. He engages with a range of contemporary thinkers, and explores key issues including how perception can make the world bear on what we do or think, and what sorts of capacities we draw on in representing something as (being) something.

Multiple theories of problem-solving hypothesize that there are distinct qualitative phases exhibited during effective problem-solving. However, limited research has attempted to identify when transitions between phases occur. We integrate theory on collaborative problem-solving with dynamical systems theory suggesting that when a system is undergoing a phase transition it should exhibit a peak in entropy and that entropy levels should also relate to team performance. Communications from 40 teams that collaborated on a complex problem were coded for occurrence of problem-solving processes. (...) We applied a sliding window entropy technique to each team's communications and specified criteria for identifying data points that qualify as peaks and determining which peaks were robust. We used multilevel modeling, and provide a qualitative example, to evaluate whether phases exhibit distinct distributions of communication processes. We also tested whether there was a relationship between entropy values at transition points and CPS performance. We found that a proportion of entropy peaks was robust and that the relative occurrence of communication codes varied significantly across phases. Peaks in entropy thus corresponded to qualitative shifts in teams’ CPS communications, providing empirical evidence that teams exhibit phase transitions during CPS. Also, lower average levels of entropy at the phase transition points predicted better CPS performance. We specify future directions to improve understanding of phase transitions during CPS, and collaborative cognition, more broadly. (shrink)

This book is about Gottlob Frege. The guiding thought is that Frege left philosophy a legacy which has been largely ignored, not least of all by his admirers. In order of logical priority, Frege's first concern was to locate the law-like behaviour of truths and falsehoods merely by virtue of their being such. The just-mentioned legacy lies in his first step towards that goal. It consists in winnowing the 'logical' from the 'psychological', the business of being true as such from (...) that of holding, or holding forth as true-and to keep these separate. A first lesson: what belongs to what is thus abstracted cannot be read directly back into what it was abstracted from. This is what is most widely ignored. The book is divided in three parts. The first presents Frege's general picture of the business of being true-of what belongs to the abstraction. The second is primarily concerned with steps Frege takes between 1891 and 1895, to pave the way for what became, after logic itself, his central project, that whose attempted carrying out is contained in Grundgesetze I. The third part concerns views of logic, truth, the inexorableness of logic, which Frege eventually came to hold, and what it might be to study 'The Mind' as opposed to minds. (shrink)

Charles Travis presents a series of essays in which he has developed his distinctive view of the relation of thought to language. The key idea is "occasion-sensitivity": what it is for words to express a given concept is for them to be apt for contributing to any of many different conditions of correctness (notably truth conditions). Since words mean what they do by expressing a given concept, it follows that meaning does not determine truth conditions. This view ties thoughts (...) less tightly to the linguistic forms which express them than traditional views of the matter, and in two directions: a given linguistic form, meaning fixed, may express an indefinite variety of thoughts; one thought can be expressed in an indefinite number of syntactically and semantically distinct ways. Travis highlights the importance of this view for linguistic theory, and shows how it gives new form to a variety of traditional philosophical problems. (shrink)

Complex work in teams requires coordination across team members and their technology as well as the ability to change and adapt over time to achieve effective performance. To support such complex interactions, recent efforts have worked toward the design of adaptive human-autonomy teaming systems that can provide feedback in or near real time to achieve the desired individual or team results. However, while significant advancements have been made to better model and understand the dynamics of team interaction and its relationship (...) with task performance, appropriate measures of team coordination and computational methods to detect changes in coordination have not yet been widely investigated. Having the capacity to measure coordination in real time is quite promising as it provides the opportunity to provide adaptive feedback that may influence and regulate teams’ coordination patterns and, ultimately, drive effective team performance. A critical requirement to reach this potential is having the theoretical and empirical foundation from which to do so. Therefore, the first goal of the paper is to review approaches to coordination dynamics, identify current research gaps, and draw insights from other areas, such as social interaction, relationship science, and psychotherapy. The second goal is to collate extant work on feedback and advance ideas for adaptive feedback systems that have potential to influence coordination in a way that can enhance the effectiveness of team interactions. In addressing these two goals, this work lays the foundation as well as plans for the future of human-autonomy teams that augment team interactions using coordination-based measures. (shrink)

This paper proposes a third meditation-category—automatic self-transcending— to extend the dichotomy of focused attention and open monitoring proposed by Lutz. Automaticself-transcending includes techniques designed to transcend their own activity. This contrasts with focused attention, which keeps attention focused on an object; and open monitoring, which keeps attention involved in the monitoring process. Each category was assigned EEG bands, based on reported brain patterns during mental tasks, and meditations were categorized based on their reported EEG. Focused attention, characterized by beta/gamma activity, (...) included meditations from Tibetan Buddhist, Buddhist, and Chinese traditions. Open monitoring, characterized by theta activity, included meditations from Buddhist, Chinese, and Vedic traditions. Automaticself-transcending, characterized by alpha1 activity, included meditations from Vedic and Chinese traditions. Between categories, the included meditations differed in focus, subject/object relation, and procedures. These findings shed light on the common mistake of averaging meditations together to determine mechanisms or clinical effects. (shrink)

I examine the historical development of the concept ``temperature'' from the point of view of questions about the stability of concepts during episodes of theory change. It is argued that the concept retains its identity and meaning through two quite radical developments in surrounding theory, even while these developments uncover novel fundamental characteristics of ``temperature'' and allow new associated definitions for the concept. I then indicate some of the differing underlying philosophical views which have caused others to view this kind (...) of case very differently, and finally suggest a number of features that I think a theory of concepts would need to possess in order to account for the important aspects of the presented case-study. (shrink)

Schellenberg’s hiddenness argument against the existence of God has generated a great deal of discussion. One prominent line of reply has been the idea that God refrains from making His existence more apparent in order to safeguard our moral freedom. Schellenberg has provided extensive counter-replies to this idea. My goal here is to pursue an alternate line of response, though one that still makes some reference to the importance of free-will. It will be argued that God may remain temporarily ‘hidden’ (...) to some people not merely in order to allow their free moral choice, but because His proper allowance of such choice has led to a great deal of suffering on the part of the victims of wicked choices. If His existence were constantly obvious to those victims, even in the midst of their victimization, many of them would be led to an attitude of enmity, even hatred, toward God. (shrink)

There is a view abroad on which perceptual experience has representational content in this sense: in it something is represented to the perceiver as so. On the view, a perceptual experience has a face value at which it may be taken, or which may be rejected. This paper argues that that view is mistaken: there is nothing in perceptual experience which makes it so that in it anything is represented as so. In that sense, the senses are silent, or, in (...) Austin's term, dumb. Perceptual experience is not as such either veridical or delusive. It may mislead, but it does not take representation to accomplish that. (shrink)

The ethics and moral psychology of the Phaedo crucially depend on claims made uniquely about bodily desire. This paper offers an analysis and defense of the account of bodily desire in the dialogue, arguing that bodily desires – desires with their source in processes or conditions of the body – are characterized by three features: motivational pull, assertoric force, and intensity. Desires with these features target the soul’s rational functions with distinctive forms of imprisonment. They target the soul’s capacity to (...) rule with servility; and they target the soul’s capacity for knowledge with confinement in the visible world. (shrink)

Most philosophers in the death literature believe that death can be bad for the person who dies. The most popular view of death’s badness—namely, deprivationism—holds that death is bad for the person who dies because, and to the extent that, it deprives them of the net good that they would have accrued, had their actual death not occurred. Deprivationists thus face the challenge of locating the time that death is bad for a person. This is known as the Timing Problem, (...) which is thought to be one of the biggest challenges facing views holding that death can be bad for the person who dies. Every possible answer to this question has been defended in the literature, yet each answer can seemingly be shown to be subject to compelling objections. In this paper, I argue that the force of the Timing Problem is illusory. Specifically, I argue that the problem, as formulated in the literature, is underspecified. Any adequately precise form of the question ‘When is death bad for the person who dies?’ is one to which there is a clear, decisive, and unproblematic answer. (shrink)

Many of us believe that we can and do have individual obligations to refrain from contributing to massive collective harms – say, from producing luxury greenhouse gas (GHG) emissions; however, our individual actions are so small as to be practically meaningless. Can we then, justify the intuition that we ought to refrain? In this paper, we argue that this debate may have been mis-framed. Rather than investigating whether or not we have obligations to refrain from contributing to collective action, perhaps (...) we should ask whether we have reason to do so. However, this framing brings challenges of its own, and so we close by asking what problems are generated if we focus on these questions of ‘contributory ethics’. (shrink)

It is an underappreciated fact within the philosophical literature on laws of nature that many scientific laws require the aid of a supporting cast of additional modelling ingredients (such as boundary conditions, material parameters, interfacial stipulations, rigidity constraints, and so on) in order to perform their traditional role in scientific inquiry. In this paper, I suggest that this underappreciated fact spells trouble for some recent reformulations of David Lewis's Best Systems Account (BSA) of laws of nature. Under the auspices of (...) 'pragmatic Humeanism,' several philosophers have recently argued that the criteria of strength and simplicity that lay at the heart of Lewis's original formulation should be replaced with alternatives that are more sensitive to the role that laws play in scientific practice. Although the criteria that these philosophers put forward differ in a variety of ways, they are primarily concerned with the ability of laws to furnish us with predictions and encode information. This, I suggest, is a problem. If it is true that many scientific laws do not on their own perform some of the roles with which they are traditionally associated, then they are unlikely in isolation to make meaningful contributions to the predictive strength of a system or encode information about particular systems. Such laws are thus unlikely to end up in the best system, and so these accounts will have trouble conferring lawhood upon them. (shrink)

This paper advances the view that some explanations in cognitive science are extra-mathematical explanations. Demonstrating the plausibility of this interpretation centers around certain efficient coding cases which ineliminably enlist information theoretic laws, facts and theorems to identify in-principle, mathematical constraints on neuronal information processing capacities. The explanatory structure in these cases is shown to parallel other putative instances of mathematical explanation. The upshot for cognitive mathematical explanations is thus two-fold: first, the view capably rebuts standard mechanistic objections to non-mechanistic explanation; (...) second, this view serves to importantly widen the possibility space for non-mechanistic forms of explanation in cognitive science. (shrink)

What words mean plays a role in determining when they would be true; but not an exhaustive one. For that role leaves room for variation in truth conditions, with meanings fixed, from one speaking of words to another. What role meaning plays depends on what truth is; on what words, by virtue of meaning what they do are requied to have done (as spoken) in order to have said what is true. There is a deflationist position on what truth is: (...) the notion is exhausted by a given, specified, mass of 'platitudes', each to the effect that if words said (say) things to be thus, things must be that way. (The thought that thus-and-so is true iff thus-and-so.) These platitudes, and so deflationism, miss that aspect of truth that determines meaning's role. Truth requires words to have the uses which, given what they mean, they should have in the circumstances of their speaking. Through this link with use, when words would be true is a factor fixing what it is they said. (shrink)

The goal of this article is to evaluate the defensibility of wide-spread beliefs concerning the moral value of procreating. Very many of us are ‘pro-natal’ — that is, we have a positive moral view of making more people — but pro-natalism is under serious threat. In particular, I argue that combining several arguments in procreative ethics generates a powerful case for the Anti-Natal Pro-Adoption View, or the view that we are obligated not to procreate, but instead to satisfy any parenting (...) desires through adoption. Although this article ultimately serves as a defence against ANPA, it does so in a very limited way: while it is false that we are obligated to adopt-rather-than-procreate, I contend, this does not mean that we are off the moral hook altogether. Failing in our obligations is only one way to fail morality. Our procreative acts may yet be bad, dishonourable, selfish, and open to multiple other criticisms. And indeed, I'm afraid many of them are. (shrink)

In “Save the Children!” Artúrs Logins responds to my argument that, in certain cases, it is morally permissible to not prevent something bad from happening, even when one can do so without sacrificing something of comparable moral importance. Logins’ responses are thought-provoking, though I will argue that his critiques miss their mark. I rebut each of the responses offered by Logins. However, much of my focus will be on one of his criticisms which rests on an unfortunately common misunderstanding of (...) Singer’s argument in “Famine, Affluence, and Morality.” My response, then, is important not only because it salvages my positive argument, but also because it identifies, and corrects, this misunderstanding. (shrink)

Neonatal intensive care units represent simultaneously one of the great success stories of modern medicine, and one of its most controversial developments. One particularly controversial issue is the resuscitation of extremely preterm infants. Physicians in the United States generally accept that they are required to resuscitate infants born as early as 25 weeks and that it is permissible to resuscitate as early as 22 weeks. In this article, I question the moral pressure to resuscitate by criticizing the idea that resuscitation (...) in this context “saves” a human life. Our radical medical advancements have allowed us to intervene in the life of a human before it makes sense to say that such an intervention “saves” someone; rather, what the physician does in resuscitating and treating an extremely preterm infant is to take over creating it. This matters, I argue, because “rescues” are much more morally urgent than “creations.”. (shrink)

The debate over the explanatory nature of cognitive models has been waged mostly between two factions: the mechanists and the dynamical systems theorists. The former hold that cognitive models are explanatory only if they satisfy a set of mapping criteria, particularly the 3M/3m* requirement. The latter have argued, pace the mechanists, that some cognitive models are both dynamical and constitute covering-law explanations. In this paper, I provide a minimal model interpretation of dynamical cognitive models, arguing that this both provides needed (...) clarity to the mechanist versus dynamicist divide in cognitive science and also paves the way towards further insights about scientific explanation generally. (shrink)

An abiding puzzle in the Phaedo is the transition in the text from initial pessimism about the possibility of wisdom during human life to a more optimistic view. Prominent interpretations posit different kinds or degrees of wisdom at issue in the two sets of passages. By contrast, I argue that the pessimistic view rests on the implicit premise that the soul cannot be completely purified during human life—a premise which arises from an initial conception of impurity and its cause. In (...) developing his eschatology, Socrates refines this conception and rejects the implicit premise. Because the embodied soul can be completely purified, it can achieve philosophical wisdom as well. (shrink)

Both Jacques and Raïssa Maritain produced large and diverse bodies of writing, and their creative lives spanned decades and encompassed the most turbulent periods of the twentieth century. Scholarly engagement with their work continues to reap new insights, and that includes engagement with the writings produced in the earlier portions of their respective careers. Those earlier portions were themselves remarkably productive, and issued not only in important writings but also in profoundly influential professional and personal relationships nurtured and developed with (...) a truly diverse array of scholars, clergy, and artists, including such figures as Henri Bergson, Leon Bloy, Ernest Psichari, and Georges Rouault. This new anthology of essays manages both to interact with the biographies and writings of the Maritains themselves (and to a degree their close early associates) and also to contribute to novel Thomistic reflection on themes from their early careers, among them war, suffering, politics, art, intuition, and foundational issues in moral theology. The essays are historically informed yet address perennial issues of vital significance for the life of the Church and the broader culture. The contributing authors are Prudence Allen, John Deely, Elizabeth Jane Doering, Heather Erb, Doug Flippen, Heidi Giebel, Ben Huff, James Jacobs, Florian Michel, Mark Moes, Brenna Moore, Bernadette OConnor, Matthew Pugh, James V. Schall, Joshua Schulz, Daniel Shields, Michael Torre, and John Wippel. (shrink)

Television news crews justify the staging of events for filming purposes in three main categories. All three are dangerous ethically, but they are arranged here in a hierarchy of seriousness of ethical transgression. Materials shot for editing convenience, for example, are more justifiable than staging events for the convenience of a story. All three justifications are examined.

Charles Travis; V*—Are Belief Ascriptions Opaque?, Proceedings of the Aristotelian Society, Volume 85, Issue 1, 1 June 1985, Pages 73–100, https://doi.org/10.10.

A continuous Oxford tradition on knowledge runs from John Cook Wilson to John McDowell. A central idea is that knowledge is not a species of belief, or that, in McDowell's terms, it is not a hybrid state; that, moreover, it is a kind of taking in of what is there that precludes one's being, for all one can see, wrong. Cook Wilson and McDowell differ on what this means as to the scope of knowledge. J.L. Austin set out the requisite (...) foundations for McDowell to be right. McDowell has shown why the tradition, and his version of it, need to be right. But he does not accept Austin's innovation. That is a shame. For, despite McDowell's very great insightfulness, precisely that much separates him from a very powerful, and correct, view of what knowledge is. (shrink)

A warm, personal guide to building a strong ethical and moral compass in the midst of today's confusing, scary, global problems. The moral challenges of today are unfamiliar in the history of philosophy. Climate change is the paradigm example of what Travis Rieder calls "The Puzzle" in the way your choices can seem at odds with what the planet urgently needs. How do we decide the right thing to do in the face of a massive collective challenge? Should you (...) drink water from a plastic bottle or not? Drive a Tesla? Or is that just what Elon and all the other corporations want you to think? What makes individual ethics difficult to think about in the case of catastrophic climate change makes ethics difficult to think about in many other contexts as well. The Puzzle, as he explains, is everywhere now. The chapters include a lively, meaningful tour of traditional moral reasoning looking at the contributions of Plato, Hegel, and Kant among others. But they could not grasp The Puzzle we now face. Old fashioned exercises like trolley problems involving sacrificing one person on this track for a bunch of people on the other don't address the huge consequential and complex crises our global community faces today. The tools most of us unthinkingly rely on when we try to do the right thing don't help when it comes to reasoning about individual responsibility for large collective problems. Expanding our suite of ethical concepts is now urgently required. Rieder defines exactly how to change our thinking, addressing mundane issues like bottled water to the biggies like whether to have children. This is a way to live a morally decent life in the scary, always complicated world we and our children live in. It's how to build your own Catastrophe Ethics. (shrink)

The aim of this work is an analysis of distal and non‐distal behavior in dense pairs of o‐minimal structures. A characterization of distal types is given through orthogonality to a generic type in, non‐distality is geometrically analyzed through Keisler measures, and a distal expansion for the case of pairs of ordered vector spaces is computed.

I defend the bold claim that self-described speciesists are not really speciesists. Of course, I do not deny that self-described speciesists would assent to generic speciesist claims (e.g. Humans matter more than animals). The conclusion I draw is more nuanced. My claim is that such generic speciesist beliefs are inconsistent with other, more deeply held, beliefs of self-described speciesists. Crucially, once these inconsistencies are made apparent, speciesists will reject the generic speciesist beliefs because they are absurd by the speciesists’ own (...) lights. (shrink)

Authored by an acclaimed teacher of quantum physics and philosophy, this textbook pays special attention to the aspects that many courses sweep under the carpet. Traditional courses in quantum mechanics teach students how to use the quantum formalism to make calculations. But even the best students - indeed, especially the best students - emerge rather confused about what, exactly, the theory says is going on, physically, in microscopic systems. This supplementary textbook is designed to help such students understand that they (...) are not alone in their confusions (luminaries such as Albert Einstein, Erwin Schroedinger, and John Stewart Bell having shared them), to sharpen their understanding of the most important difficulties associated with interpreting quantum theory in a realistic manner, and to introduce them to the most promising attempts to formulate the theory in a way that is physically clear and coherent. The text is accessible to students with at least one semester of prior exposure to quantum (or "modern") physics and includes over a hundred engaging end-of-chapter "Projects" that make the book suitable for either a traditional classroom or for self-study. (shrink)

This book provides a novel interpretation of the ideas about language in Ludwig Wittgenstein's Philosophical Investigations. Travis places the "private language argument" in the context of wider themes in the Investigations, and thereby develops a picture of what it is for words to bear the meaning they do. He elaborates two versions of a private language argument, and shows the consequences of these for current trends in the philosophical theory of meaning.

In this book, Travis DeCook explores the theological and political innovations found in early modern accounts of the Bible's origins. In the charged climate produced by the Reformation and humanist historicism, writers grappled with the tension between the Bible's divine and human aspects, and they produced innovative narratives regarding the agencies and processes through which the Bible came into existence and was transmitted. DeCook investigates how these accounts of Scripture's production were taken up beyond the expected boundaries of biblical (...) study, and were redeployed as the theological basis for wide-reaching arguments about the proper ordering of human life. DeCook provides a new, critical perspective on ideas regarding secularity, secularization, and modernity, challenging the dominant narratives regarding the Bible's role in these processes. He shows how these engagements with the Bible's origins prompt a rethinking of formulations of secularity and secularization in our own time. (shrink)

The problem of divine hiddenness has in the recent literature joined the problem of evil as one of the principal positive arguments for atheism. My chief goal here is to mine Aquinas’s metaphysics and natural theology for a distinctively Thomistic response, making particular use of a neglected text in which he considers a similar issue. Towards the end of the paper I also consider some resources provided by Aquinas’s interpretation of revealed theology.

Charles Travis,Corinne Lajoie,Bruno Ambroise.

Let us begin with a piece of intellectual history. The story begins in a period encapsulating the second world war – say the ‘40’s, give and take a bit. Around then, it began to be argued with force that an expression – e.g., an English one – while it well might mean something, does not say anything, and notably no one thing in particular. The principal behind the argument was surely J.L. Austin, though, I would claim, the same point was (...) argued in a somewhat different way by Wittgenstein. The intended point was not merely a grammatical one: we say of an expression that it means such and such, but not that it says such and such. Be that as it may, the main point was quite substantive: typically, an English expression is such that, with its meaning fixed, there are a variety of distinct things to be said in using it on some production of it or other. (shrink)

If earlier-than-necessary death is bad because it deprives individuals of additional good life, then why isn't later-than-necessary conception bad for the same reason? Deprivationists have argued that prenatal non-existence is not bad because it is impossible to be conceived earlier, but postmortem non-existence is bad because it is possible to live longer. Call this the Impossibility Solution. In this paper, I demonstrate that the Impossibility Solution does not work by showing how it is possible to be conceived earlier in the (...) same senses it is possible to live longer. I then offer a solution to the Asymmetry Problem by suggesting a novel way to separate the badness of each type of non-existence from the type, and frequency, of attitudes we should have towards each type of non-existence. Even if both types of non-existence are equally bad, certain contingent facts about our postmortem non-existence provide reason for the badness of early deaths to be more frequently salient than the badness of late conceptions. (shrink)