Online research in philosophy

Epistemic modal predicate logic raises conceptual problems not faced in the case of alethic modal predicate logic: Frege’s “Hesperus-Phosphorus” problem—how to make sense of ascribing to agents ignorance of necessarily true identity statements—and the related “Hintikka-Kripke” problem—how to set up a logical system combining epistemic and alethic modalities, as well as others problems, such as Quine’s “Double Vision” problem and problems of self-knowledge. In this paper, we lay out a philosophical approach to epistemic predicate logic, implemented formally in Melvin Fitting’s (...) First-Order Intensional Logic, that we argue solves these and other conceptual problems. Topics covered include: Quine on the “collapse” of modal distinctions; the rigidity of names; belief reports and unarticulated constituents; epistemic roles; counterfactual attitudes; representational vs. interpretational semantics; ignorance of co-reference vs. ignorance of identity; two-dimensional epistemic models; quantification into epistemic contexts; and an approach to multi-agent epistemic logic based on centered worlds and hybrid logic. (shrink)

One strand of the church's conversation about homosexuality compares present-day acceptance of homosexuals to the church's acceptance of Gentiles in Acts 15. In a previous article, “Gentiles and Homosexuals,” I presented the history of that strand. In a reply to my article, Olson proposes to reimagine the analogy via the “radical new perspective on Paul” and argues that doing so exposes problems with my original analysis. I defend myself against these criticisms, while also entering into the spirit of Olson's reimagined (...) analogy. Expanding the scope beyond Acts to Paul opens up important facets that might otherwise be obscured. In particular, it includes voices that are sometimes silenced, and presses both sides for an account of sexuality grounded in vocation and God's purposes in creation. (shrink)

'I never can catch myself at any time without a perception, and never can observe any thing but the perception.' These famous words of David Hume, on his inability to perceive the self, set the stage for JeeLoo Liu and John Perry's collection of essays on self-awareness and self-knowledge. This volume connects recent scientific studies on consciousness with the traditional issues about the self explored by Descartes, Locke and Hume. Experts in the field offer contrasting perspectives on matters such as (...) the relation between consciousness and self-awareness, the notion of personhood and the epistemic access to one's own thoughts, desires or attitudes. The volume will be of interest to philosophers, psychologists, neuroscientists, cognitive scientists and others working on the central topics of consciousness and the self. (shrink)

In the face of ongoing religious conflicts and unending culture wars, what are we to make of liberalism's promise that it alone can arbitrate between church and state? In this wide-ranging study, John Perry examines the roots of our thinking on religion and politics, placing the early-modern founders of liberalism in conversation with today's theologians and political philosophers. -/- From the story of Antigone to debates about homosexuality and bans on religious attire, it is clear that liberalism's promise to solve (...) all theo-political conflict is a false hope. The philosophy connecting John Locke to John Rawls seeks a world free of tragic dilemmas, where there can be no Antigones. Perry rejects this as an illusion. Disputes like the culture wars cannot be adequately comprehended as border encroachments presided over by an impartial judge. Instead, theo-political conflict must be considered a contest of loyalties within each citizen and believer. Drawing on critics of Rawls ranging from Michael Sandel to Stanley Hauerwas, Perry identifies what he calls a 'turn to loyalty' by those who recognize the inadequacy of our usual thinking on the public place of religion. The Pretenses of Loyalty offers groundbreaking analysis of the overlooked early work of Locke, where liberalism's founder himself opposed toleration. -/- Perry discovers that Locke made a turn to loyalty analogous to that of today's communitarian critics. Liberal toleration is thus more sophisticated, more theologically subtle, and ultimately more problematic than has been supposed. It demands not only governmental neutrality (as Rawls believed) but also a reworked political theology. Yet this must remain under suspicion for Christians because it places religion in the service of the state. Perry concludes by suggesting where we might turn next, looking beyond our usual boundaries to possibilities obscured by the liberalism we have inherited. (shrink)

This paper examines the argument that moral approval of homosexuality is analogous to the early church's inclusion of gentiles. The analogy has a long but often overlooked history, dating back to the start of the modern gay-rights movement. It has recently gained greater prominence because of its importance to the Episcopal Church's debate with the wider Anglican Communion. Beginning with the Episcopal Church argument, we see that there are five specific areas most in need of further clarification. In this essay (...) I examine significant uses of the analogy from the prior 25 years to see how effectively they address these five areas. I conclude that the conversation surrounding the Gentile Analogy is the current, best hope for mutual understanding among Christians about homosexuality. However, if the analogy is to advance the Christian conversation, much greater care and precision is needed in its application from traditionalists and revisionists alike. (shrink)

Preface to the second edition -- Preface to the first edition -- Introduction -- Contents and propositions -- Utterance and context -- Context and cognitive paths -- Meanings and contents -- Names and the co-reference problem -- Names, networks, and notions -- The no-reference problem -- Pragmatics -- Unarticulated constituents -- Contents and attitudes -- Conclusion.

These lines — also attributed to H. L. Mencken and Carl Jung — although perhaps politically incorrect, are surely correct in reminding us that more is involved in what one communicates than what one literally says; more is involved in what one means than the standard, conventional meaning of the words one uses. The words ‘yes,’ ‘perhaps,’ and ‘no’ each has a perfectly identifiable meaning, known by every speaker of English (including not very competent ones). However, as those lines illustrate, (...) it is possible for different speakers in different circumstances to mean different things using those words. How is this possible? What's the relationship among the meaning of words, what speakers mean when uttering those words, the particular circumstances of their utterance, their intentions, their actions, and what they manage to communicate? These are some of the questions that pragmatics tries to answer; the sort of questions that, roughly speaking, serve.. (shrink)

Classical Gricean pragmatics is usually conceived as dealing with far-side pragmatics, aimed at computing implicatures. It involves reasoning about why what was said, was said. Near-side pragmatics, on the other hand, is pragmatics in the service of determining, together with the semantical properties of the words used, what was said. But this raises the specter of ‘the pragmatic circle.’ If Gricean pragmatics seeks explanations for why someone said what they did, how can there be Gricean pragmatics on the near-side? Gricean (...) reasoning seems to require what is said to get started. But then if Gricean reasoning is needed to get to what is said, we have a circle. (shrink)

G. E. Moore famously noted that saying 'I went to the movies, but I don't believe it' is absurd, while saying 'I went to the movies, but he doesn't believe it' is not in the least absurd. The problem is to explain this fact without supposing that the semantic contribution of 'believes' changes across first-person and third-person uses, and without making the absurdity out to be merely pragmatic. We offer a new solution to the paradox. Our solution is that the (...) truth conditions of any moorean utterance contradict its accuracy conditions. Thus we diagnose a contradiction in how the moorean utterance represents things as being; so we can do justice to the intuition that a Moore-paradoxical utterance is in some way senseless, even if we know what proposition it expresses. (shrink)

My aim in this study is not to praise Fischer's fine theory of moral responsibility, but to (try to) bury the "semi" in "semicompatibilism". I think Fischer gives the Consequence Argument (CA) too much credit, and gives himself too little credit. In his book, The Metaphysics of Free Will, Fischer gave the CA as good a statement as it will ever get, and put his finger on what is wrong with it. Then he declared stalemate rather than victory. In my (...) view, Fischer's view amounts to sophisticated compatibilism. It would be nice to be able to call it by its right name. In The Metaphysics of Free Will, Fischer develops his own version of Consequence Argument, which turns on two principles, one of which is the fixity of the past. FP: For any action K, agent S and time i, if it is true that is S were to do Y at t, some fact about that past relative to t would not have been a fact, then S cannot at t do Fat 1. 1 argue that the equipment needed to reject FP (and thereby defend the most plausible version of compatibilism) is needed to deal with the problem of fatalism. In addition, I argue that the rejection of FP is compatible with Fischer's approach to Frankfurt cases and with his account of transfer principles. (shrink)

Introduction to Philosophy, Fourth Edition, is the most comprehensive topically organized collection of classical and contemporary philosophy available. Building on the exceptionally successful tradition of previous editions, this edition for the first time incorporates the insights of a new coeditor, John Martin Fischer, and has been updated and revised to make it more accessible. Ideal for introductory philosophy courses, the text includes sections on the meaning of life, God and evil, knowledge and reality, the philosophy of science, the mind/body problem, (...) freedom of will, consciousness, ethics, and philosophical puzzles and paradoxes. It presents seventy substantial--and in some cases complete--selections from the best and most influential works in philosophy, offering a unique balance between classical and contemporary material. An extensive glossary of philosophical terms is also included. The fourth edition features fifteen new readings, including work by Albert Camus, Roderick M. Chisholm, Daniel Dennett, Harry G. Frankfurt, William Paley, Derek Parfit, John Perry, Richard Taylor, Peter Van Inwagen, Bernard Williams, and Susan Wolf. Part III, Knowledge and Reality, has been restructured and now includes Plato's Thaetetus, selections by Edmund L. Gettier and Robert Nozick, and an essay by Christopher Grau that explores the philosophical concepts presented in the popular film The Matrix. Two new ethics puzzles--"The Trolley Problem" and "Ducking Harm and Sacrificing Others"--are also included. This edition incorporates Study Questions after each reading and is accompanied by an Instructor's CD and a Student Companion Website, both containing helpful resources. (shrink)

Gricean pragmatics seems to pose a dilemma. If semantics is limited to the conventional meanings of types of expressions, then the semantics of an utterance does not determine what is said. If all that figures in the determination of what is said counts as semantics, then pragmatic reasoning about the specific intentions of a speaker intrudes on semantics. The dilemma is false. Key points: Semantics need not determine what is said, and the description, with which the hearer begins, need not (...) provide the hearer with knowledge of what was said, or the ability to express what was said, from the hearer's context. (shrink)

In this essay I examine how we use indexicals. The key function of indexicals, I claim, is to help the audience --- that is the hearers or readers of the utterance with whom the speaker intends to be communicating---to find supplementary channels of information about the object to which the indexical refers. To keep the discussion manageable, I will oversimplify the epistemology of conversation. I ignore the fact that people sometimes lie and sometimes make mistakes. I talk freely about what (...) one learns and the information one gets from an utterance. (shrink)

All of culture, philosophy included, is a huge trick on nature, and nature will eventually catch on and reassert itself. But for right now, if one lives in a free society, it's a wonderful time to be a philosopher: so much to read, so much to think and write about.

Compatibilism is the thesis that an act may be both free and determined by previous events and the laws of nature. I assume that in normal cases a condition of a person's performing an act freely is that the person is able to refrain from performing the act. Thus, I accept that if determinism entails that agents do not have this ability, we must give up compatibilism. In this paper I try to contribute to the rethinking of compatibilism by distinguishing (...) between strong and weak accounts of laws and strong and weak accounts of ability. I argue that compatibilism is a tenable position when combined with either a weak account of laws, or a weak account of ability, or both. I shall concentrate on influential arguments for incompatibilism due to Peter van Inwagen, often called collectively the "consequence argument". (shrink)

…those who accept that responsibility for a situation implies an ability to bring it about and, perhaps, an ability to prevent it, must explain how agents are able to do other than they are caused to do. Without it, they can give no defense of their counterexamples. With it, they can be confident that.

A defense of antecedent physicalism, which argues against the idea that if everything that goes on in the universe is physical, our consciousness and feelings ...

The main topic of Jerry Fodor’s The Elm and the Expert,1, and the title of the first chapter, is “If Psychological processes are computational, how can psychological laws be intentional?” I focus on the first and second chapters; The first is devoted to setting up the question, the second to answering it.

Philosophers and logicians use the term “indexical” for words such as “I”, “you” and “tomorrow”. Demonstratives such as “this” and “that” and demonstratives phrases such as “this man” and “that computer” are usually reckoned as a subcategory of indexicals. (Following [Kaplan, 1989a].) The “context-dependence” of indexicals is often taken as a defining feature: what an indexical designates shifts from context to context. But there are many kinds of shiftiness, with corresponding conceptions of context. Until we clarify what we mean by (...) “context”, this defining feature remains unclear. In sections 1–3, which are largely drawn from [Perry, forthcoming(a)], I try to clarify the sense in which indexicals are context-dependent and make some distinctions among the ways indexicals depend on context. In sections 3–6, I contrast indexicality with another phenomenon that I call “unarticulated constituents.”. (shrink)

In this essay I distinguish three kinds of self-knowledge. I call these three kinds agent-relative knowledge, self-attached knowledge and knowledge of the person one happens to be. These aspects of self-knowledge differ in how the knower or agent is represented. Most of what I say will be applicable to beliefs as well as knowledge, and to other kinds of attitudes and thoughts, such as desire, as well.1 Agent-relative knowledge is knowledge from the perspective of a particular agent. To have this (...) sort of knowledge, the agent need not have an idea of self, or a notion of himself or herself. This sort of knowledge can be expressed by a simple sentence containing a demonstrative for a place or object, and without any term referring to the speaker. For example, “There is an apple” or “that is a toaster”. (Ideas of specific objects I call notions. Ideas of properties and relations I just call ideas. A judgement involves an idea being associated with a notion. A.. (shrink)

When you use the word “I” it designates you; when I use the same word, it designates me. If you use “you” talking to me, it designates me; when I use it talking to you, it designates you. “I” and “you” are indexicals. The designation of an indexical shifts from speaker to speaker, time to time, place to place. Different utterances of the same indexical designate different things, because what is designated depends not only on the meaning associated with the (...) expression, but also on facts about the utterance. An utterance of “I” designates the person who utters it; an utterance of “you” designates the person to whom it is addressed, an utterance of “here” designates the place at which the utterance is made, and so forth. Because indexicals shift their designation in this way, sentences containing indexicals can be used to say different things on different occasions. Suppose you say to me, “You are wrong and I am right about reference,” and I reply with the same sentence. We have used the same sentence, with the same meaning, but said quite different and incompatible things. (shrink)

It has been persuasively argued by David Kaplan and others that the proposition expressed by statements like (1) is a singular proposition, true in just those worlds in which a certain person, David Israel, is a computer scientist. Call this proposition P . The truth of this proposition does not require that the utterance (1) occur, or even that Israel has ever said anything at all. Marcus, Donnellan, Kripke and others have persuasively argued for a view of proper names that, (...) put in Kaplan’s terms and applied to this example, implies that the proposition expressed by (2) is also simply P .1 The thesis that expressions of a certain category (names, indexicals, demonstratives, pronouns, descriptions, etc.) are referential 2holds that these expressions contribute the object to which they refer, rather than a mode of presentation of that object, to the propositions expressed by statements containing them. The thesis that indexicals and names are referential creates the challenge of explaining the difference in cognitive significance between statements like (1) and (2), that express the same proposition[Wettstein, 1986]. The problem has two parts, which.. (shrink)

Kaplan says that monsters violate Principle 2 of his theory. Principle 2 is that indexicals, pure and demonstrative alike, are directly referential. In providing this explanation of there being no monsters, Kaplan feels his theory has an advantage over double-indexing theories like Kamp’s or Segerberg’s (or Stalnaker’s), which either embrace monsters or avoid them only by ad hoc stipulation, in the sharp conceptual distinction it draws between circumstances of evaluation and contexts of utterance. We shall argue that Kaplan’s prohibition is (...) also essentially stipulative, and that it is too general. The main difference between ourselves and Kaplan is that the basic carriers of a truth-value is a sentence-in-a-context; our account is utterance-based. (shrink)

The topic of this essay is “the slingshot,” a short argument that purports to show that sentences1 designate (stand for, refer to) truth values. Versions of this argument have been used by Frege 2, Church 3, Quine4 and Davidson5; thus it is historically important, even if it immediately strikes one as fishy. The argument turns on two principles, which I call substitution and redistribution. In “Semantic Innocence and Uncompromising Situations,”6 Jon Barwise and I rejected both principles, as part of our (...) attempt.. (shrink)

In this essay I first review Kaplan’s theory of linguistic character, and then explain and motivate a concept of doxastic character. I then develop some concepts for dealing with the topic of belief retention and then, finally, discuss Rip Van Winkle. I come down on Kaplan’s side with respect to the Frege-inspired strategy, narrowly construed. But I advocate something like the Frege-inspired strategy, if it is construed more broadly. On my view it is remarkably easy to retain a belief, and (...) I think Evans is quite wrong about Rip and Kaplan. The central concept I develop, however, that of an information game, is in the spirit of much of Evans’ work. I also borrow some of his terminology. (shrink)

The English expression “self” is a modest one; in its normal use, it is not even quite a word, but something that makes an ordinary object pronoun into a reflexive one: “her” into “herself,” “him” into “himself” and “it” into “itself”. The reflexive pronoun is used when the object of an action or attitude is the same as the subject of that action or attitude. If I say Mark Twain shot _himself _in the foot, I describe Mark Twain not only (...) as the shooter but as the person shot; if I say Mark Twain admired _himself, _I describe him not only as the admirer but as the admired. In this sense, “the self” is just the person doing the action or holding the attitude that is somehow in question. “Self” is also used as a prefix for names of activities and attitudes, identifying the special case where the object is the same as the agent: self-love, self-hatred, self-abuse, self-promotion, self-knowledge. (shrink)

Words stand for things of various kinds and for various kinds of things. Because words do this, the sentences made up of words mean what they do, and are capable of expressing our thoughts, our beliefs and conjectures, desires and wishes. This simple idea seems right to me, but it flies in the face of formidable authority. In a famous passage in “Reality without Reference,” Donald Davidson criticizes what he calls the “building-block theory:”.

Intentionality is a term for a feature exhibited by many mental states and activities: being directed at objects. Two related things are meant by this. First, when one desires or believes or hopes, one always believes or desires or hopes something. Let’s assume that belief report 1) is true.

Brutus wanted to kill Caesar. He believed that Caesar was an ordinary mortal, and that, given this, stabbing him (by which we mean plunging a knife into his heart) was a way of killing him. He thought that he could stab Caesar, for he remembered that he had a knife and saw that Caesar was standing next to him on his left, in the Forum. So Brutus was motivated to stab the man to his left. He did so, thereby killing (...) Caesar. We have explained Brutus’s act by citing a complex of beliefs, desires and perceptions that motivated it. Our explanation provides a causal account of Brutus’s act. The beliefs, desires and perceptions in such a motivating complex are particular cognitions. The act was also a particular, an event that occurred at a certain place and time. The cognitions caused the act.1 Our explanation also provides a rationale for Brutus’s act. The beliefs, desires and perceptions of Brutus’s that we cite had contents. The desire we cited had the content that Brutus kill Caesar. The first belief we cited had the content that Caesar was an ordinary mortal. The act was of a certain type. The explanation provides a rationale because the contents of the cognitions mesh in a certain way with one another and with the type of the act. It was the type of act that would satisfy Brutus’s desire to kill 1 Caesar, if the beliefs we cited were true. If the person next to him is Caesar, and Caesar is mortal, and stabbing is a way of killing the mortal next to one, then an act of that type will satisfy Brutus’s desire. The beliefs in the motivating complex “close the gap” between the type of act motivated and the motivating desire. (shrink)

Brutus wanted to kill Caesar. He believed that Caesar was an ordinary mortal, and that, given this, stabbing him (by which we mean plunging a knife into his heart) was a way of killing him. He thought that he could stab Caesar, for he remembered that he had a knife and saw that Caesar was standing next to him on his left, in the Forum. So Brutus was motivated to stab the man to his left. He did so, thereby killing (...) Caesar. (shrink)

A collection of twelve essays by John Perry and two essays he co-authored, this book deals with various problems related to "self-locating beliefs": the sorts of beliefs one expresses with indexicals and demonstratives, like "I" and "this." Postscripts have been added to a number of the essays discussing criticisms by authors such as Gareth Evans and Robert Stalnaker. Included with such well-known essays as "Frege on Demonstratives," "The Problem of the Essential Indexical," "From Worlds to Situations," and "The Prince and (...) the Phone Booth" are a number of important essays that have been less accessible and that discuss important aspects of Perry's views, referred to as "Critical Referentialism," on the philosophy of language and the philosophy of mind. (shrink)

[In Meaning in Mind, edited by Barry Loewer and Georges Rey. Oxford: Basil Black- well, 1991, 165.

Preface This volume represents the proceedings of the First Conference on Situation Theory and Its Applications held by CSLI at Asilomar, California, ...

This anthology of essays on the work of David Kaplan, a leading contemporary philosopher of language, sprang from a conference, "Themes from Kaplan," organized by the Center for the Study of Language and Information at Stanford University.

From: _Language, Mind and Logic_, edited by Jeremy Butter?eld. 123.

A DIALOGUE on PERSONAL IDENTITY and IMMORTALITY This is a record of conversations of Gretchen We/rob, a teacher of philosophy at a small mid- western ...

Contents PART I: INTRODUCTION 1 John Perry: The Problem of Personal Identity, 3 PART II: VERSIONS OF THE MEMORY THEORY 2 John Locke: Of Identity and ...

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The fact referred to we call the signal or indicating fact. The thermometer is the carrier, the property of containing mercury that has risen past 98.6 is the indicating property. The proposition that Elwood has a fever is the incremental informational content of the signal. The property of having a fever is the indicated property; Elwood is the subject matter. A signal has incremental content, given a connecting fact and relative to a constraint. 1 In this case, the connecting fact (...) is that the thermometer is in Elwood’s mouth, the connecting relation is that of one thing being in the mouth of another, and the constraint C 1 is. (shrink)

In this paper, I shall defend Russell's view that Mont Blanc, with all of its snow elds, is a component part" or constituent of what is actually asserted when one utters Mont Blanc is more than 4000 meters high," and of what one believes, when one believes that Mont Blanc is 4000 meters high. I also claim, however, that a proposition that does not have Mont Blanc as a constituent plays an important role in the assertion and the belief that (...) Mont Blanc is more than 4000 meters high. Taken somewhat out of context, the quotes from Frege and Russell express insights that pull in di erent directions in the contemporary philosophy of language. Behind Frege's remark is the insight that reference is not direct but mediated. When we think and talk about things, our thoughts and words are not in direct contact with the things thought about and talked about. The meanings of our words, and the cognitive roles of our ideas, do not in and of themselves determine their reference. They get at objects via some aspects of.. (shrink)

This paper1 is the first in a series of two, in which we (i) explore some aspects of heterogeneous systems of representation and communication2 (ii) show how American Sign Language (ASL) exhibits some of those features; (iii) draw some morals for the design of interfaces. This paper explores (i) at some length and ends with a brief look at (ii). Heterogeneous systems of representation and communication are systems that combine representations whose meanings work on different principles, such as pictures and (...) words. (We will try to reserve the word “language” for natural languages, like English and American Sign Language (ASL), and not use it for just any system of structured representations.) This talk reflects work that we have been doing in collaboration with Cathy Haas of the Archimedes Project at CSLI and Bill Stokoe of Gallaudet University, having to do with richly grounded meaning in ASL. Richly grounded meaning or RGM is a generalization of what Peirce called “iconicity”; the symbol and what it symbolizes are naturally rather than arbitrarily connected.3 The key word here is “arbitrary”; probably most RGM symbols are conventional in the sense developed by David Lewis in Convention ([22]), but there is a natural connection between the symbol and what it symbolizes. The traditional word instead of “natural” might be “resemblance”. We emphasize that what is in question is something psychological; a robust cognitive correspondence between properties of a symbol (which must have enough interesting properties to ground such a relation, hence “richly grounded”) and properties of that which is symbolized. Resemblance is too restrictive. There are. (shrink)

Possible worlds semantics (PWS) is a family of methods that have been used to analyze a wide variety of intensional phenomena, including modality, conditionals, tense and temporal adverbs, obligation, and reports of informational and cognitive content. PWS spurred the development of philosophical logic and led to new applications of logic in computer science and artificial intelligence. It revolutionized the study of the semantics of natural languages. PWS has inspired analyses of many concepts of philosophical importance, and the concept of a (...) possible world has been at the heart of important philosophical systems. (See also POSSIBLE WORLDS, PHILOSOPHICAL ISSUES IN.. (shrink)

Computers, the internet, and the larger communications network of which it is a part, provide an informational structure within which many of us spend a large part of our working day and a significant part of our leisure. We are, during those periods, “infonauts in cyberspace,” using the internet to get information from places near and remote, and acting in various ways through the internet to have an effect on computers and people in those places. This cyberspace revolution is changing (...) the human condition in fundamental ways. These changes have the potential to reduce differences between disabled and nondisabled individuals. As infonauts, none of us receives the information we need directly from our senses, nor do we produce the effects we intend directly by use of our limbs. We all depend on technology to aid our senses and magnify and transform the effects of our movements. Neither the blind person nor the quadriplegic nor the sighted mobile employee can access the latest government regulations or send instructions to colleagues in distant places without the help of the internet. The difference between.. (shrink)

Information is a notion of wide use and great intuitive appeal, and hence, not surprisingly, different formal paradigms claim part of it, from Shannon channel theory to Kolmogorov complexity. Information is also a widely used term in logic, but a similar diversity repeats itself: there are several competing logical accounts of this notion, ranging from semantic to syntactic. In this chapter, we will discuss three major logical accounts of information.

Situation semantics was originally conceived as an alternative to extensional model theory and possible world semantics especially suited to the analysis of various problematic constructions, including naked-infinitive perception verbs (Barwise 1981) and belief-reports (Barwise and Perry 1981a, 1981b). In its earliest forms, the central ideas were.

Now suppose that Joey responds by uttering the exact same words back to Natasha: “I am right and you are wrong”. He has said the same words, with the same meaning, but he has not said the same thing. Joey’s utterance of “I” designates Joey and his utterance of “you” designates Natasha. The truthconditions of his statement are that Joey is right and Natasha is wrong. Joey has directly disagreed with Natasha.

Underlying the political activism that led to the Americans with Disabilities Act (ADA) was what Ron Amundson has called the environmental conception of disability[1]. In [7] we called this the circumstantial conception of disability and handicap, and contrasted it with the intrinsic conception. We use disability to mean loss of a function, such as moving the hands or seeing, that is part of the standard repertoire for humans. Handicap is a species of inability, in particular, the inability to do something (...) that one wants to do and most others around one can do.1 The intrinsic conception imagines a tight connection between disability and handicap; the circumstantial conception loosens and relativizes that connection. The circumstantial conception reminds us that we all depend on various tools and structures—in particular, on cultural artifacts—to enable us to do what we want to do. In many cases it is the design of these tools and structures that prevents a disabled person from accomplishing what they want, rather than anything intrinsically connected to the disability. For example, very few people.. (shrink)

It was once common to regard ASL as less than a full-fledged language, as a mere combination of miming, pointing and a few primitive gestures. That conception of ASL was laid to rest by William Stokoe’s landmark work [22] and much careful research that has come in its wake. This work..

There are many good introductions to philosophy, and many important philosophy books, but only a handful that are both; the book you have in your hands, The Problems of Philosophy by Bertrand Russell, is one of these, and one of the best.

In this essay I distinguish three kinds of self-knowledge. I call these three kinds agent-relative knowledge, self-attached knowledge and knowledge of the person one happens to be. These aspects of self-knowledge differ in how the knower or agent is represented. Most of what I say will be applicable to beliefs as well as knowledge, and to other kinds of attitudes and thoughts, such as desire, as well.

”Self-beliefs” are beliefs of the sort one ordinarily has about oneself, and expresses with the first person. These contrast with the beliefs one has in ”Casta˜neda cases,” in which one has a belief about oneself without knowing it. This paper advances an account of the nature of self-belief. According to this account, self-belief is a special case of interacting with things via notions that serve as repositories for information about objects with certain important relations to the knower, and as motivators (...) for actions the success of which is dependent on the object in that relation to the agent. Identity is such a relation, and ”self-notions” play this special role: they are the repositories for information gained in normally self-informative ways, and the motivators of types of action whose success normally depends on facts about the agent. Self-beliefs involve such self-notions, while the beliefs that one has about oneself in Casta˜neda cases do not. (shrink)

Frege continues by explaining what bothered him in the Begriffsschrift, and motivated his treatment of identity in that work.2 He goes on to criticize that account. By the end of the paragraph, he has introduced his key concept of sinn, abandonning not only the Begriffsschrift account of identity, but its basical semantical framework. In the Begriffsschrift Frege’s main semantic concept was content [Inhalt ]. Already in the Begriffsschrift, he is struggling with this concept. In §3 he..