Bibliography on Metaontology (Including Ontological Commitment, and Some Philosophy of Mathematics)
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First-Order Logic
INF5390 – Kunstig intelligens First-Order Logic Roar Fjellheim Outline Logical commitments First-order logic First-order inference Resolution rule Reasoning systems Summary Extracts from AIMA Chapter 8: First-Order Logic Chapter 9: Inference in First-Order Logic INF5390-AI-05 First-Order Logic 2 From propositonal to first-order logic Features of propositional logic: + Declarative + Compositional + ”Possible-world” semantics - Lacks expressiveness First-order logic: Extends propositional logic Keeps good features Adds expressiveness INF5390-AI-05 First-Order Logic 3 First-order logic First-order logic is based on “common sense” or linguistic concepts: Objects: people, houses, numbers, .. Properties: tall, red, .. Relations: brother, bigger than, .. Functions: father of, roof of, .. Variables: x, y, .. (takes objects as values) First-order logic is the most important and best understood logic in philosophy, mathematics, and AI INF5390-AI-05 First-Order Logic 4 Logic “commitments” Ontological commitment Ontology - in philosophy, the study of “what is” What are the underlying assumptions of the logic with respect to the nature of reality Epistemological commitment Epistemology - in philosophy, the study of “what can be known” What are the underlying assumptions of the logic with respect to the nature of what the agent can know INF5390-AI-05 First-Order Logic 5 Commitments of some logic languages Language Ontological Epistemological Commitment Commitment Propositional logic Facts True/false/unknown First-order logic -
Forcopy-Editing Only
i i “Abstractionism_OUP_for_copyediting” — 2016/4/20 — 11:40 — page 1 — #10 i i 1 Introduction to Abstractionism Philip A. Ebert and Marcus Rossberg 1.1 WHAT IS ABSTRACTIONISM? Abstractionism in philosophy of mathematics has its origins in Gottlob Frege’s logicism—a position Frege developed in the late nineteenth and early twenti- eth century. Frege’s main aim wasfor to reduce copy-editing arithmetic and analysis to only logic in order to provide a secure foundation for mathematical knowledge. As is well known, Frege’s development of logicism failed. The infamous Basic Law V— one of the six basic laws of logic— Frege proposed in his magnum opus Grund- gesetze der Arithmetik—is subject to Russell’s Paradox. The striking feature of Frege’s Basic Law V is that it takes the form of an abstraction principle. The general form of an abstraction principle can by symbolised like this:1 ↵ = β ↵ β §( ) §( ) $ ⇠ where ‘ ’ is a term-forming operator applicable to expression of the type of ↵ § and β, and is an equivalence relation on entities denoted by expressions of ⇠ that type. Accordingly, abstraction principles are biconditionals that feature an equivalence relation on the right-hand side and an identity statement on the left-hand side. The abstracta denoted by the terms featuring in the identity statement on the left are taken to be introduced, in some sense, by the ab- straction principle, giving the equivalence on the right-hand side conceptual priority over them. More on this below. Frege’s ill-fated Basic Law V, involves co-extentionality (of functions) as the relevant equivalence relation on the right-hand side, introducing, what Frege – termed value-ranges, "' " , on the left:2 ( ) 1Here and below, we will omit prefixed universal quantifiers in abstraction principles. -
Ontological Commitment of Natural Language Semantics
Ontological Commitment of Natural Language Semantics MSc Thesis (Afstudeerscriptie) written by Viktoriia Denisova (born July, 23d 1986 in Kustanay, Kazakhstan) under the supervision of Prof. Dr. Martin Stokhof, and submitted to the Board of Examiners in partial fulfillment of the requirements for the degree of MSc in Logic at the Universiteit van Amsterdam. Date of the public defense: Members of the Thesis Committee: March, 23d 2012 Prof. Dr. Martin Stokhof Prof. Dr. Frank Veltman Dr. Paul Dekker Contents Acknowledgments v Abstract vi Introduction 1 1 Quine's Ontological Criterion 5 1.1 Why do we need to define the criterion of ontological commitment? 5 1.2 Why do we operate on the semantic level when talking about on- tology? . 13 1.3 What does Quine's ontological criterion bring to semantics? . 15 1.4 What is the role of logic in determination of the ontological com- mitment? . 17 1.5 Concluding remarks . 19 2 Critique of the Ontological Criterion 21 2.1 Hodges on the philosophical importance of ontological commitment 21 2.2 Evaluation of Hodges's exposition . 25 2.3 Beyond the semantics of standard first-order logic . 27 2.3.1 The difficulties concerning first-order regimentation . 27 2.3.2 Regimentation of the sentences that contain plurals . 30 2.3.3 Regimentation of modals . 31 2.4 Evaluation of Rayo's exposition . 33 3 Ontological commitment within possible worlds semantics 35 3.1 The reasons to consider ontological commitment in intensional lan- guage . 35 3.2 Ontological commitment for proper names . 37 3.3 Natural kind terms . -
The Logic of Provability
The Logic of Provability Notes by R.J. Buehler Based on The Logic of Provability by George Boolos September 16, 2014 ii Contents Preface v 1 GL and Modal Logic1 1.1 Introduction..........................................1 1.2 Natural Deduction......................................2 1.2.1 ...........................................2 1.2.2 3 ...........................................2 1.3 Definitions and Terms....................................3 1.4 Normality...........................................4 1.5 Refining The System.....................................6 2 Peano Arithmetic 9 2.1 Introduction..........................................9 2.2 Basic Model Theory..................................... 10 2.3 The Theorems of PA..................................... 10 2.3.1 P-Terms........................................ 10 2.3.2Σ,Π, and∆ Formulas................................ 11 2.3.3 G¨odelNumbering................................... 12 2.3.4 Bew(x)........................................ 12 2.4 On the Choice of PA..................................... 13 3 The Box as Bew(x) 15 3.1 Realizations and Translations................................ 15 3.2 The Generalized Diagonal Lemma............................. 16 3.3 L¨ob'sTheorem........................................ 17 3.4 K4LR............................................. 19 3.5 The Box as Provability.................................... 20 3.6 GLS.............................................. 21 4 Model Theory for GL 23 5 Completeness & Decidability of GL 25 6 Canonical Models 27 7 On -
Yesterday's Algorithm: Penrose on the Gödel Argument
Yesterday’s Algorithm: Penrose and the Gödel Argument §1. The Gödel Argument. Roger Penrose is justly famous for his work in physics and mathematics but he is notorious for his endorsement of the Gödel argument (see his 1989, 1994, 1997). This argument, first advanced by J. R. Lucas (in 1961), attempts to show that Gödel’s (first) incompleteness theorem can be seen to reveal that the human mind transcends all algorithmic models of it1. Penrose's version of the argument has been seen to fall victim to the original objections raised against Lucas (see Boolos (1990) and for a particularly intemperate review, Putnam (1994)). Yet I believe that more can and should be said about the argument. Only a brief review is necessary here although I wish to present the argument in a somewhat peculiar form. Let us suppose that the human cognitive abilities that underlie our propensities to acquire mathematical beliefs on the basis of what we call proofs can be given a classical cognitive psychological or computational explanation (henceforth I will often use ‘belief’ as short for ‘belief on the basis of proof’). These propensities are of at least two types: the ability to appreciate chains of logical reasoning but also the ability to recognise ‘elementary proofs’ or, it would perhaps be better to say, elementary truths, such as if a = b and b = c then a = c, without any need or, often, any possibility of proof in the first sense. On this supposition, these propensities are the realization of a certain definite algorithm or program somehow implemented by the neural hardware of the brain. -
Philosophy of Language
Philosophy OF Language Julian J. Schlöder, University OF AmsterDAM YEREVAN Academy FOR Linguistics AND Philosophy 2019 1 = 99 William Lycan, (Routledge, 3rD ed, 2019). ◦ Philosophy OF Language ◦ Stephen Yablo, LecturE NOTES ON Philosophy OF Language. > https: //ocw.mit.edu/courses/linguistics-and-philosophy/ 24-251-introduction-to-philosophy-of-language-fall-2011/ lecture-notes/ Jeff Speaks, (StanforD Encyclopedia OF ◦ Theories OF Meaning Philosophy). > https://plato.stanford.edu/entries/meaning 2 = 99 Language IS . ◦ REMARKABLE 3 = 99 ArE Pringles POTATO chips? 4 = 99 ◦ The British COURTS SPEND SOME TWO YEARS ON THAT question. > At STAKE WAS SOME £100 MILLION IN TAXes. Yes! A Pringle IS “MADE FROM POTATO ◦ The VAT AND Duties Tribunal: flOUR IN THE SENSE THAT ONE CANNOT SAY THAT IT IS NOT MADE FROM POTATO flour.” No! Pringles CONTAIN “A NUMBER OF ◦ The High Court OF Justice: SIGNIfiCANT INGREDIENTS” AND “CANNOT BE SAID TO BE ‘MADE OF’ ONE OF them.” TheY DO NOT EXHIBIT “POTATONESS”. (TheY ARE MORE LIKE BREAD THAN LIKE chips.) : Yes! The TEST FOR “POTATONESS” IS AN ◦ The Court OF Appeal “Aristotelian QUESTION” ABOUT “ESSENCE” AND THE COURT HAS “NO REAL IDEA” OF WHAT THAT means. Rather, THE QUESTION “WOULD PROBABLY BE ANSWERED IN A MORE RELEVANT AND SENSIBLE WAY BY A CHILD CONSUMER THAN BY A FOOD SCIENTIST OR A CULINARY pendant.” 5 = 99 THE QUESTIONS ◦ Fact: WORDS AND SENTENCES HAVE MEANINGSOR ARE MEANINGFUL. ◦ Fact: NOT ALL SEQUENCES OF sounds/letters ARE meaningful. ◦ But WHAT ARE meanings? Alternatively: WHAT IS meaningfulness? ◦ HoW DO LINGUISTIC ITEMS RELATE TO meanings? (And WHY DO SOME ITEMS FAIL TO RELATE TO meanings?) ◦ IN WHAT RELATIONS DO humans, LANGUAGES AND MEANINGS stand? 6 = 99 MEANING FACTS HerE ARE SOME THINGS THAT WE KNOW ABOUT meanings, WHATEVER THEY ARe. -
CURRICULUM VITAE KATALIN BALOG Department of Philosophy University-Newark 175 University Ave., Newark, NJ 07102 Rutgers Home
CURRICULUM VITAE KATALIN BALOG Department of Philosophy University-Newark 175 University Ave., Newark, NJ 07102 Rutgers Home page: http://hypatiaonhudson.net/ Email: [email protected] Education and work history 2018- present – professor, Rutgers University – Newark. 2010- 2018 – associate professor, Rutgers University – Newark. 2006- 2010 – associate professor, Yale University. 2000-2006 – assistant professor, Yale University. 1998-1999 – Mellon postdoctoral fellow, Cornell University. 1998 – Ph.D. Philosophy, Rutgers University. Ph.D. Thesis Director: Brian Loar Conceivability and Consciousness* Degree obtained: October 1998 *My dissertation was selected by Robert Nozick for publication in the series Harvard Dissertations in Philosophy. Areas of specialization Philosophy of mind Philosophy of psychology/cognitive science Free will and personal identity Metaphysics Value theory Buddhist philosophy Publications Forthcoming: 1. Either/Or: Subjectivity, Objectivity and Value (pdf). In: Transformative Experience: New Philosophical Essays, eds. Enoch Lambert and John Schwenkler, Oxford University Press (UK), 2020. 2. Disillusioned (pdf). Journal of Consciousness Studies 27 (1-2), 2020. Published: 3. Hard, Harder, Hardest (pdf), in Sensations, Thoughts, Langugage: Essays in Honor of Brian Loar (pp. 265-289), Arthur Sullivan (ed.), Routledge Festschrifts in Philosophy, Routledge, 2020. 4. Consciousness and Meaning; Selected Essays by Brian Loar, Oxford University Press, 2017. (Editor, Introduction to Loar’s Philosophy of Mind, pp. 137-152) pdf. 5. Illusionism’s Discontent (pdf). Journal of Consciousness Studies, 23(11-12), 40-51, 2016. 6. Acquaintance and the Mind-Body Problem (pdf).In Christopher Hill and Simone Gozzano (Eds.), New Perspectives on Type Identity: The Mental and the Physical (pp. 16-43). Cambridge: Cambridge University Press, 2012. 7. In Defense of the Phenomenal Concept Strategy (pdf). -
APA Eastern Division 2019 Annual Meeting Program
The American Philosophical Association EASTERN DIVISION ONE HUNDRED FIFTEENTH ANNUAL MEETING PROGRAM SHERATON NEW YORK TIMES SQUARE NEW YORK, NEW YORK JANUARY 7 – 10, 2019 Visit our table at APA Eastern OFFERING A 20% (PB) / 40% (HC) DISCOUNT WITH FREE SHIPPING TO THE CONTIGUOUS U.S. FOR ORDERS PLACED AT THE CONFERENCE. THE POETRY OF APPROACHING HEGEL’S LOGIC, GEORGES BATAILLE OBLIQUELY Georges Bataille Melville, Molière, Beckett Translated and with an Introduction by Angelica Nuzzo Stuart Kendall THE POLITICS OF PARADIGMS ZHUANGZI AND THE Thomas S. Kuhn, James B. Conant, BECOMING OF NOTHINGNESS and the Cold War “Struggle for David Chai Men’s Minds” George A. Reisch ANOTHER AVAILABLE APRIL 2019 WHITE MAN’S BURDEN Josiah Royce’s Quest for a Philosophy THE REAL METAPHYSICAL CLUB of white Racial Empire The Philosophers, Their Debates, and Tommy J. Curry Selected Writings from 1870 to 1885 Frank X. Ryan, Brian E. Butler, and BOUNDARY LINES James A. Good, editors Philosophy and Postcolonialism Introduction by John R. Shook Emanuela Fornari AVAILABLE MARCH 2019 Translated by Iain Halliday Foreword by Étienne Balibar PRAGMATISM APPLIED William James and the Challenges THE CUDGEL AND THE CARESS of Contemporary Life Reflections on Cruelty and Tenderness Clifford S. Stagoll and David Farrell Krell Michael P. Levine, editors AVAILABLE MARCH 2019 AVAILABLE APRIL 2019 LOVE AND VIOLENCE BUDDHIST FEMINISMS The Vexatious Factors of Civilization AND FEMININITIES Lea Melandri Karma Lekshe Tsomo, editor Translated by Antonio Calcagno www.sunypress.edu II IMPORTANT NOTICES FOR MEETING ATTENDEES SESSION LOCATIONS Please note: this online version of the program does not include session locations. -
Durham E-Theses
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Durham e-Theses Durham E-Theses Realism, Truthmakers, and Language: A study in meta-ontology and the relationship between language and metaphysics MILLER, JAMES,TIMOTHY,MATTHEW How to cite: MILLER, JAMES,TIMOTHY,MATTHEW (2014) Realism, Truthmakers, and Language: A study in meta-ontology and the relationship between language and metaphysics, Durham theses, Durham University. Available at Durham E-Theses Online: http://etheses.dur.ac.uk/10696/ Use policy The full-text may be used and/or reproduced, and given to third parties in any format or medium, without prior permission or charge, for personal research or study, educational, or not-for-prot purposes provided that: • a full bibliographic reference is made to the original source • a link is made to the metadata record in Durham E-Theses • the full-text is not changed in any way The full-text must not be sold in any format or medium without the formal permission of the copyright holders. Please consult the full Durham E-Theses policy for further details. Academic Support Oce, Durham University, University Oce, Old Elvet, Durham DH1 3HP e-mail: [email protected] Tel: +44 0191 334 6107 http://etheses.dur.ac.uk 2 REALISM, TRUTHMAKERS, AND LANGUAGE A STUDY IN META-ONTOLOGY AND THE RELATIONSHIP BETWEEN LANGUAGE AND METAPHYSICS A thesis submitted for the degree of Doctor of Philosophy by James Timothy Matthew Miller Department of Philosophy University of Durham 2014 i I confirm that no part of the material contained in this thesis has previously been submitted for any degree in this or any other university. -
Modal Realism and Metaphysical Nihilism Gonzalo Rodriguez-Pereyra
Mind, 2004, 113 (452), pp. 683-704. Modal Realism and Metaphysical Nihilism Gonzalo Rodriguez-Pereyra 1. Modal Realism is an ontological doctrine whose most characteristic thesis is that there exist non-actual possible individuals which are of a kind with actual individuals. That is, there are non-actual chairs, tables, donkeys, people and stars. As developed by David Lewis, Modal Realism is accompanied by a cluster of theses, for instance that all possible worlds (i.e. actual and non-actual possible worlds) exist, that all possible worlds are of a kind, that possible worlds are maximal sums of spatiotemporally related objects, and that a sentence like ‘it is possible that p’ is true just in case there is a possible world where p. Modal Realism has, among its theoretical benefits, a reductive account, within limits, of modality. Among its costs, it counts clashing with several intuitive views. One of these is the view that it is possible that nothing exists, that is, that there could have been nothing. Lewis saw that his Modal Realism is incompatible with this view (Lewis 1986, p. 73 and Lewis 1991, p. 13, footnote 6). Another closely related intuitive view with which Lewis’s Modal Realism is incompatible is what has recently been called Metaphysical Nihilism, namely that it is possible that nothing concrete exists, that is, that there could have been nothing concrete. Metaphysical Nihilism is not only intuitive, there are persuasive arguments in its favour. So, other things being equal, to be compatible with Metaphysical Nihilism is a theoretical virtue. In this paper I shall argue that Modal Realism can be modified so as to be compatible with Metaphysical Nihilism. -
Sometime a Paradox, Now Proof: Non-First-Order-Izability of Yablo's
Sometime a Paradox, Now Proof: Non-First-Order-izability of Yablo’s Paradox Saeed Salehi, Research Institute for Fundamental Sciences (RIFS), University of Tabriz, P.O.Box 51666-16471, Tabriz, Iran. School of Mathematics, Institute for Research in Fundamental Sciences, P.O.Box 19395–5746, Tehran, Iran. E-mail: [email protected] Abstract Paradoxes are interesting puzzles in philosophy and mathematics, and they could be even more fascinating when turned into proofs and theorems. For example, Liar’s paradox can be translated into a propositional tautology, and Barber’s paradox turns into a first-order tautology. Russell’s paradox, which collapsed Frege’s foundational framework, is now a classical theorem in set theory, implying that no set of all sets can exist. Paradoxes can be used in proofs of some other theorems; Liar’s paradox has been used in the classical proof of Tarski’s theorem on the undefinability of truth in sufficiently rich languages. This paradox (and also Richard’s paradox) appears implicitly in G¨odel’s proof of his celebrated first incompleteness theorem. In this paper, we study Yablo’s paradox from the viewpoint of first and second order logics. We prove that a formalization of Yablo’s paradox (which is second-order in nature) is non-first-order-izable in the sense of George Boolos (1984). 2010 AMS Subject Classification: 03B05 · 03B10 · 03C07. Keywords: Yablo’s Paradox · Non-first-orderizability. This was sometime a paradox, but now the time gives it proof. — William Shakespeare (Hamlet, Act 3, Scene 1). 1 Introduction If mathematicians and philosophers have come to the conclusion that some (if not almost all) of the paradoxes cannot be (re)solved, or as Priest [10, p. -
A Logical Framework†
Revista del Instituto de Filosofía, Universidad de Valparaíso, Año 1, N° 1. Junio 2013. Pags. 35 – 40 A logical framework† Göran Sundholm Resumen El artículo presenta un marco de distinciones para la filosofía de la lógica en la que las interrelaciones entre algunas nociones lógicas centrales, como la de declaración, juicio (el acto), juicio, (el resultado de juzgar), proposición (contenido), consecuencia e inferencia, se detallan. PALABRAS CLAVE: Declaración, juicio, proposición, consecuencia, inferencia. Abstract The paper presents a framework of distinctions for the philosophy of logic in which the interrelations between some central logical notions, such as statement, judgement (-act), judgement (made), proposition (al content), consequence, and inference are spelled out. KEY WORDS: Statement, judgement, proposition, consequence, inference. 1. Hilary Putnam, and, following him, George Boolos, have, on different occasions, taken exception to Quine's dictum that "Logic is an old subject, and since 1879 it has been a great one", with which he opened the first editions of his Methods of Logic.1 In their opinion, Quine's implicit preference for Frege's Begriffsschrift does an injustice to Boole (Boolos and Putnam) and the Booleans, of whom Peirce in particular (Putnam). Ten years ago, in an inaugural lecture at Leyden, also I argued that Quine presented too narrow a view of logic, and, that as far as the nineteenth century was concerned, the crucial date in the development of logical doctrine is not 1879 (nor 1847, I would add today, disagreeing