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Ian Rumfitt [48]I. Rumfitt [3]
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Profile: Ian Rumfitt (University of Birmingham)
  1. Ian Rumfitt (forthcoming). Against Harmony. In Bob Hale, Crispin Wright & Alexander Miller (eds.), The Blackwell Companion to the Philosophy of Language. Blackwell
    Many prominent writers on the philosophy of logic, including Michael Dummett, Dag Prawitz, Neil Tennant, have held that the introduction and elimination rules of a logical connective must be ‘in harmony ’ if the connective is to possess a sense. This Harmony Thesis has been used to justify the choice of logic: in particular, supposed violations of it by the classical rules for negation have been the basis for arguments for switching from classical to intuitionistic logic. The Thesis has also (...)
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  2. Ian Rumfitt (forthcoming). Tempered Pragmatism. In Cheryl Misak & Huw Price (eds.), Pragmatism in the Long Twentieth Century: Proceedings of the 2014 Dawes Hicks Symposium. British Academy
    This paper assesses the prospects of a pragmatist theory of content. I begin by criticising the theory presented in D.H. Mellor’s essay ‘Successful Semantics’. I then identify problems and lacunae in the pragmatist theory of meaning sketched in Chapter 13 of Dummett’s The Logical Basis of Metaphysics. The prospects are brighter, I contend, for a tempered pragmatism, in which the theory of content is permitted to draw upon irreducible notions of truth and falsity. I sketch the shape of such a (...)
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  3. Ian Rumfitt (forthcoming). Objects of Thought. In Gary Ostertag (ed.), Meaning and Other Things: Essays on the Philosophy of Stephen Schiffer. OUP
    In his book The Things We Mean, Stephen Schiffer advances a subtle defence of what he calls the ‘face-value’ analysis of attributions of belief and reports of speech. Under this analysis, ‘Harold believes that there is life on Venus’ expresses a relation between Harold and a certain abstract object, the proposition that there is life on Venus. The present essay first proposes an improvement to Schiffer’s ‘pleonastic’ theory of propositions. It then challenges the face-value analysis. There will be such things (...)
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  4.  78
    Ian Rumfitt (forthcoming). Vagueness and Intuitionistic Logic. In Alexander Miller (ed.), Language, Logic,and Mathematics: Themes from the Philosophy of Crispin Wright. OUP
    In his essay ‘“Wang’s Paradox”’, Crispin Wright proposes a solution to the Sorites Paradox (in particular, the form of it he calls the ‘Paradox of Sharp Boundaries’) that involves adopting intuitionistic logic when reasoning with vague predicates. He does not give a semantic theory which accounts for the validity of intuitionistic logic (and the invalidity of stronger logics) in that area. The present essay tentatively makes good the deficiency. By applying a theorem of Tarski, it shows that intuitionistic logic is (...)
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  5. Ian Rumfitt (2005). Plural Terms : Another Variety of Reference? In José Luis Bermúdez (ed.), Thought, Reference, and Experience: Themes From the Philosophy of Gareth Evans. Clarendon Press 84--123.
  6.  84
    I. Rumfitt (2000). Yes and No. Mind 109 (436):781-823.
    In what does the sense of a sentential connective consist? Like many others, I hold that its sense lies in rules that govern deductions. In the present paper, however, I argue that a classical logician should take the relevant deductions to be arguments involving affirmative or negative answers to yes-or-no questions that contain the connective. An intuitionistic logician will differ in concentrating exclusively upon affirmative answers. I conclude by arguing that a well known intuitionistic criticism of classical logic fails if (...)
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  7. Ian Rumfitt (2003). Savoir Faire. Journal of Philosophy 100 (3):158 - 166.
    This paper challenges the linguistic arguments Jason Stanley and Timothy Williamson gave in support of their thesis that knowing how is a species of knowing that.
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  8.  51
    Ian Rumfitt (2014). I—Truth and Meaning. Aristotelian Society Supplementary Volume 88 (1):21-55.
    Should we explicate truth in terms of meaning, or meaning in terms of truth? Ramsey, Prior and Strawson all favoured the former approach: a statement is true if and only if things are as the speaker, in making the statement, states them to be; similarly, a belief is true if and only if things are as a thinker with that belief thereby believes them to be. I defend this explication of truth against a range of objections. Ramsey formalized this account (...)
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  9. Ian Rumfitt (1995). Truth Conditions and Communication. Mind 104 (416):827-862.
    The paper addresses itself to the "Homeric struggle" in the theory of meaning between those (e.g., Grice) who try to analyze declarative meaning in terms of an intention to induce a belief and those (e.g., Davidson) for who declarative meaning consists in truth conditions. (The point of departure is Strawson's celebrated discussion of this issue, in his Inaugural Lecture.) I argue that neither style of analysis is satisfactory, and develop a "hybrid" that may be-although what I take from the Gricean (...)
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  10. Ian Rumfitt (2015). The Boundary Stones of Thought: An Essay in the Philosophy of Logic. OUP Oxford.
    Classical logic has been attacked by adherents of rival, anti-realist logical systems: Ian Rumfitt comes to its defence. He considers the nature of logic, and how to arbitrate between different logics. He argues that classical logic may dispense with the principle of bivalence, and may thus be liberated from the dead hand of classical semantics.
     
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  11. Ian Rumfitt (2008). Knowledge by Deduction. Grazer Philosophische Studien 77 (1):61-84.
    It seems beyond doubt that a thinker can come to know a conclusion by deducing it from premisses that he knows already, but philosophers have found it puzzling how a thinker could acquire knowledge in this way. Assuming a broadly externalist conception of knowledge, I explain why judgements competently deduced from known premisses are themselves knowledgeable. Assuming an exclusionary conception of judgeable content, I further explain how such judgements can be informative. (According to the exclusionary conception, which I develop from (...)
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  12. Ian Rumfitt (1996). Sentences, Names and Semantic Values. Philosophical Quarterly 46 (182):66-72.
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  13.  40
    Ian Rumfitt (2010). Logical Necessity. In Bob Hale & Aviv Hoffmann (eds.), Modality: Metaphysics, Logic, and Epistemology. Oxford University Press
    Book synopsis: The philosophy of modality investigates necessity and possibility, and related notions--are they objective features of mind-independent reality? If so, are they irreducible, or can modal facts be explained in other terms? This volume presents new work on modality by established leaders in the field and by up-and-coming philosophers. Between them, the papers address fundamental questions concerning realism and anti-realism about modality, the nature and basis of facts about what is possible and what is necessary, the nature of modal (...)
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  14. Ian Rumfitt (1993). Content and Context: The Paratactic Theory Revisited and Revised. Mind 102 (407):429-454.
  15.  67
    Ian Rumfitt (2012). On A Neglected Path to Intuitionism. Topoi 31 (1):101-109.
    According to Quine, in any disagreement over basic logical laws the contesting parties must mean different things by the connectives or quantifiers implicated in those laws; when a deviant logician ‘tries to deny the doctrine he only changes the subject’. The standard semantics for intuitionism offers some confirmation for this thesis, for it represents an intuitionist as attaching quite different senses to the connectives than does a classical logician. All the same, I think Quine was wrong, even about the dispute (...)
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  16. Ian Rumfitt (2003). Contingent Existents. Philosophy 78 (4):461-481.
    Timothy Williamson has recently put forward a proof that every object exists necessarily. I show where the proof fails. My diagnosis also exposes the fallacy in A. N. Prior's argument in favour of his modal logic, Q.
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  17.  52
    Ian Rumfitt (2011). Inference, Deduction, Logic. In John Bengson & Marc A. Moffett (eds.), Knowing How: Essays on Knowledge, Mind, and Action. Oxford University Press, Usa 334.
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  18.  82
    Ian Rumfitt (1994). Frege's Theory of Predication: An Elaboration and Defense, with Some New Applications. Philosophical Review 103 (4):599-637.
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  19.  82
    Ian Rumfitt (2002). Unilateralism Disarmed: A Reply to Dummett and Gibbard. Mind 111 (442):305-322.
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  20. Ian Rumfitt (2010). Ricky Ponting and the Judges. Analysis 70 (2):205-210.
    This article proposes revisions to the Laws of Cricket and to the criminal law of England. The Laws of Cricket should be revised so that an umpire may give a batsman out without having to specify precisely how he got out. The criminal law should be revised so that (e.g.) aiding and abetting a murderer is not subsumed under the crime of murder.
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  21.  49
    Ian Rumfitt (2008). Co-Ordination Principles: A Reply. Mind 117 (468):1059-1063.
    I explain why Fernando Ferreira's interesting formal result does not threaten the bilateralist account of the sense of the connectives.
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  22.  30
    Ian Rumfitt (2003). Singular Terms and Arithmetical Logicism. Philosophical Books 44 (3):193--219.
    This article is a critical notice of Bob Hale and Crispin Wright's *The Reason's Proper Study* (OUP). It focuses particularly on their attempts (crucial to their neo-logicist project) to say what a singular term is. I identify problems for their account but include some constructive suggestions about how it might be improved.
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  23.  56
    Ian Rumfitt (2013). Old Adams Buried. Analytic Philosophy 54 (2):157-188.
    I present some counterexamples to Adams's Thesis and explain how they undermine arguments that indicative conditionals cannot be truth-evaluable propositions.
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  24. Ian Rumfitt (2005). Plural Terms: Another Variety of Referring Expression? In José Luis Bermúdez (ed.), Thought, Reference, and Experience: Themes From the Philosophy of Gareth Evans. Clarendon Press
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  25.  59
    Ian Rumfitt (2001). Semantic Theory and Necessary Truth. Synthese 126 (1-2):283 - 324.
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  26.  83
    Ian Rumfitt (1997). The Categoricity Problem and Truth-Value Gaps. Analysis 57 (4):223–236.
    In his article 'Rejection' (1996), Timothy Smiley had shown how a logical system allowing rules of rejection could provide a categorical axiomatization of the classical propositional calculus. This paper shows how rules of rejection, when placed in a multiple conclusion setting, can also provide categorical axiomatizations of a range of non-classical calculi which permit truth-value gaps, among them the calculus in Smiley's own 'Sense without denotation' (1960).
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  27.  19
    Ian Rumfitt (2011). Truth and the Determination of Content: Variations on Themes From Frege's Logische Untersuchungen. Grazer Philosophische Studien 82 (1):3-48.
  28. Ian Rumfitt (2003). Savior Faire. Journal of Philosophy 100 (3).
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  29.  43
    Ian Rumfitt (2013). Sense and Evidence. The Monist 96 (2):177-204.
    There are many theories which say how the truth-value (the Fregean reference) of a complete sentence depends on the references of its parts. The present paper proposes a theory of how the Fregean sense of a sentences depends on the senses of its parts. A sentence's sense is related to the evidence that would justify its assertion. The theory characterizes the senses of 'and', 'or', 'not', and 'if...then'.
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  30.  74
    Ian Rumfitt (1996). The Vagaries of Paraphrase: A Reply to Holton on the Counting Problem. Analysis 56 (4):246–250.
    In his 'paratactic' analysis of indirect speech reports, Davidson took the occurrence of 'that' in 'Galileo said that the Earth moves' to be a demonstrative expression which refers to the reporter's subsequent utterance of 'the Earth moves'. Ian McFetridge used his 'counting problem' to argue that we get a better version of the paratactic theory if we take the demonstrative 'that' to refer to the proposition expressed by the reporter's utterance, rather than to the utterance itself. In this note, I (...)
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  31.  49
    Ian Rumfitt (1995). Truth Wronged: Crispin Wright's Truth and Objectivity. Ratio 8 (1):100-107.
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  32.  61
    Ian Rumfitt (1999). Logic and Existence: Ian Rumfitt. Aristotelian Society Supplementary Volume 73 (1):151–180.
    [Ian Rumfitt] Frege's logicism in the philosophy of arithmetic consisted, au fond, in the claim that in justifying basic arithmetical axioms a thinker need appeal only to methods and principles which he already needs to appeal in order to justify paradigmatically logical truths and paradigmatically logical forms of inference. Using ideas of Gentzen to spell out what these methods and principles might include, I sketch a strategy for vindicating this logicist claim for the special case of the arithmetic of the (...)
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  33.  4
    I. Rumfitt (1997). The Categoricity Problem and Truth-Value Gaps. Analysis 57 (4):223-235.
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  34.  57
    Ian Rumfitt (2001). Concepts and Counting. Proceedings of the Aristotelian Society 102 (1):41–68.
    Frege's analysis of Zahlangaben is expounded and evaluated.
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  35.  31
    Ian Rumfitt (1997). Making It Explicit. Philosophical Review 106 (3):437-441.
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  36.  4
    I. Rumfitt (1996). The Vagaries of Paraphrase: A Reply to Holton on the Counting Problem. Analysis 56 (4):246-250.
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  37. Ian Rumfitt (2003). Savoir Faire. Journal of Philosophy 100 (3):158-166.
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  38.  44
    Ian Rumfitt (2001). Hume's Principle and the Number of All Objects. Noûs 35 (4):515–541.
  39.  3
    Ian Rumfitt (2004). Semantic Theory And Necessary Truth. Synthese 126 (1):283-324.
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  40.  34
    Ian Rumfitt & Timothy Williamson (2000). Logic and Existence [Corrected Portion of an Article Appearing in Proceedings of the Aristotelian Society Supplementary Volumes, Vol. 73 (1999)]. [REVIEW] Proceedings of the Aristotelian Society 100:321 - 343.
    The paper defends the intelligibility of unrestricted quantification. For any natural number n, 'There are at least n individuals' is logically true, when the quantifier is unrestricted. In response to the objection that such sentences should not count as logically true because existence is contingent, it is argued by consideration of cross-world counting principles that in the relevant sense of 'exist' existence is not contingent. A tentative extension of the upward L?wenheim-Skolem theorem to proper classes is used to argue that (...)
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  41.  1
    Ian Rumfitt (2001). III-Concepts and Counting. Proceedings of the Aristotelian Society 102 (1):41-68.
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  42. Ian Rumfitt (2005). Meaning and Understanding. In Frank Jackson & Michael Smith (eds.), The Oxford Handbook of Contemporary Philosophy. Oxford University Press
     
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  43.  14
    Ian Rumfitt (1996). Structures and Categories For the Representation of Meaning. Philosophical Review 105 (2):264-267.
    Review of Timothy Potts, *Structures and Categories for the Representation of Meaning* (CUP).
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  44.  15
    Ian Rumfitt (2002). III-Concepts and Counting. Proceedings of the Aristotelian Society 102 (1):41-68.
    Frege's analysis of Zahlangaben is expounded and evaluated.
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  45.  5
    Ian Rumfitt & J. E. Malpas (1995). Donald Davidson and the Mirror of Meaning. Philosophical Quarterly 45 (178):136.
    Review of J.E. Malpas, *Donald Davidson and the Mirror of Meaning* (CUP).
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  46. Ian Rumfitt (2012). 15 Inference, Deduction, Logic. Philosophical Inquiry 36 (1):334.
     
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  47. Ian Rumfitt (1999). Frege's logicism. Aristotelian Society Supplementary Volume 73:151-180.
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  48. Ian Rumfitt (1999). I–Ian Rumfitt: Frege's Logicism. Aristotelian Society Supplementary Volume 73 (1):151-180.
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  49. Ian Rumfitt (2014). I—Ian Rumfitt: Truth and Meaning. Aristotelian Society Supplementary Volume 88 (1):21-55.
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  50. Ian Rumfitt (1991). The Semantics of Pure Indexicals.
     
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