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Andrea Iacona
Università di Torino
  1. Knowledge of Future Contingents.Andrea Iacona - forthcoming - Philosophical Studies.
    This paper addresses the question whether future contingents are knowable, that is, whether one can know that things will go a certain way even though it is possible that things will not go that way. First I will consider a long-established view that implies a negative answer, and draw attention to some endemic problems that affect its credibility. Then I will sketch an alternative line of thought that prompts a positive answer: future contingents are knowable, although our epistemic access of (...)
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  2.  94
    The Evidential Conditional.Vincenzo Crupi & Andrea Iacona - forthcoming - Erkenntnis:1-25.
    This paper outlines an account of conditionals, the evidential account, which rests on the idea that a conditional is true just in case its antecedent supports its consequent. As we will show, the evidential account exhibits some distinctive logical features that deserve careful consideration. On the one hand, it departs from the material reading of ‘if then’ exactly in the way we would like it to depart from that reading. On the other, it significantly differs from the non-material accounts which (...)
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  3.  56
    Three Ways of Being Non-Material.Vincenzo Crupi & Andrea Iacona - 2021 - Studia Logica:1-47.
    This paper develops a probabilistic analysis of conditionals which hinges on a quantitative measure of evidential support. In order to spell out the interpreta- tion of ‘if’ suggested, we will compare it with two more familiar interpretations, the suppositional interpretation and the strict interpretation, within a formal framework which rests on fairly uncontroversial assumptions. As it will emerge, each of the three interpretations considered exhibits specific logical features that deserve separate consideration.
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  4. Two Notions of Logical Form.Andrea Iacona - 2016 - Journal of Philosophy 113 (12):617-643.
    This paper claims that there is no such thing as the correct answer to the question of what is logical form: two significantly different notions of logical form are needed to fulfil two major theoretical roles that pertain respectively to logic and semantics. The first part of the paper outlines the thesis that a unique notion of logical form fulfils both roles, and argues that the alleged best candidate for making it true is unsuited for one of the two roles. (...)
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  5.  30
    Strictness and Connexivity.Andrea Iacona - forthcoming - Inquiry: An Interdisciplinary Journal of Philosophy:1-14.
    .This paper discusses Aristotle’s thesis and Boethius’ thesis, the most distinctive theorems of connexive logic. Its aim is to show that, although there is something plausible in Aristotle’s thesis and Boethius’ thesis, the intuitions that may be invoked to motivate them are consistent with any account of indicative conditionals that validates a suitably restricted version of them. In particular, these intuitions are consistent with the view that indicative conditionals are adequately formalized as strict conditionals.
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  6. Ockhamism Without Thin Red Lines.Andrea Iacona - 2014 - Synthese 191 (12):2633-2652.
    This paper investigates the logic of Ockhamism, a view according to which future contingents are either true or false. Several attempts have been made to give rigorous shape to this view by defining a suitable formal semantics, but arguably none of them is fully satisfactory. The paper draws attention to some problems that beset such attempts, and suggests that these problems are different symptoms of the same initial confusion, in that they stem from the unjustified assumption that the actual course (...)
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  7. Faultless or Disagreeement.Andrea Iacona - 2008 - In Manuel Garcia-Carpintero & Max Kolbel (eds.), Relative Truth. Oxford University Press. pp. 287.
    Among the various motivations that may lead to the idea that truth is relative in some non-conventional sense, one is that the idea helps explain how there can be ‘‘ faultless disagreements’’, that is, situations in which a person A judges that p, a person B judges that not-p, but neither A nor B is at fault. The line of argument goes as follows. It seems that there are faultless disagreements. For example, A and B may disagree on culinary matters (...)
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  8. Counterfactual Fallacies.Andrea Iacona - 2011 - Humana Mente 4 (19).
    A widely accepted claim about counterfactuals is that they differ from strict conditionals, that is, there is no adequate representation of them as sentences of the form   . To justify this claim, Stalnaker and Lewis have argued that some fallacious inferences would turn out valid if counterfactuals were so represented. However, their argument has a flaw, as it rests on a questionable assumption about the relation between surface grammar and logical form. Without that assumption, no consequence of the (...)
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  9. Saying More (or Less) Than One Thing.Andrea Iacona - 2010 - In Richard Dietz & Sebastiano Moruzzi (eds.), Cuts and Clouds. Oxford University Press.
    In a paper called 'Definiteness and Knowability', Tim Williamson addresses the question whether one must accept that vagueness is an epistemic phenomenon if one adopts classical logic and a disquotational principle for truth. Some have suggested that one must not, hence that classical logic and the disquotational principle may be preserved without endorsing epistemicism. Williamson’s paper, however, finds ‘no plausible way of substantiating that possibility’. Its moral is that ‘either classical logic fails, or the disquotational principle does, or vagueness is (...)
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  10. Vagueness and Quantification.Andrea Iacona - 2016 - Journal of Philosophical Logic 45 (5):579-602.
    This paper deals with the question of what it is for a quantifier expression to be vague. First it draws a distinction between two senses in which quantifier expressions may be said to be vague, and provides an account of the distinction which rests on independently grounded assumptions. Then it suggests that, if some further assumptions are granted, the difference between the two senses considered can be represented at the formal level. Finally, it outlines some implications of the account provided (...)
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  11. On the Puzzle of the Changing Past.Andrea Iacona - 2016 - Philosophia 44 (1):137-142.
    In the intriguing article The puzzle of the changing past, Barlassina and Del Prete argue that, if one grants a platitude about truth and accepts a simple story that they tell, one is forced to conclude that the past has changed. I will suggest that there is a coherent way to resist that conclusion. The platitude about truth is in fact a platitude, but the story is not exactly as they tell it.
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  12. Quantification and Logical Form.Andrea Iacona - 2015 - In Alessandro Torza (ed.), Quantifiers, Quantifiers, and Quantifiers. Springer. pp. 125-140.
    This paper deals with the logical form of quantified sentences. Its purpose is to elucidate one plausible sense in which quantified sentences can adequately be represented in the language of first-order logic. Section 1 introduces some basic notions drawn from general quantification theory. Section 2 outlines a crucial assumption, namely, that logical form is a matter of truth-conditions. Section 3 shows how the truth-conditions of quantified sentences can be represented in the language of first-order logic consistently with some established undefinability (...)
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  13. Future Contingents and Aristotle’s Fantasy.Andrea Iacona - 2007 - Critica 39 (117):45-60.
    This paper deals with the problem of future contingents, and focuses on two classical logical principles, excluded middle and bivalence. One may think that different attitudes are to be adopted towards these two principles in order to solve the problem. According to what seems to be a widely held hypothesis, excluded middle must be accepted while bivalence must be rejected. The paper goes against that line of thought. In the first place, it shows how the rejection of bivalence leads to (...)
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  14. Counterfactuals as Strict Conditionals.Andrea Iacona - 2015 - Disputatio 7 (41):165-191.
    This paper defends the thesis that counterfactuals are strict conditionals. Its purpose is to show that there is a coherent view according to which counterfactuals are strict conditionals whose antecedent is stated elliptically. Section 1 introduces the view. Section 2 outlines a response to the main argument against the thesis that counterfactuals are strict conditionals. Section 3 compares the view with a proposal due to Aqvist, which may be regarded as its direct predecessor. Sections 4 and 5 explain how the (...)
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  15. Ockhamism and Quantified Modal Logic.Andrea Iacona - 2015 - Logique Et Analyse 58:353-370.
    This paper outlines a formal account of tensed sentences that is consistent with Ockhamism, a view according to which future contingents are either true or false. The account outlined substantively differs from the attempts that have been made so far to provide a formal apparatus for such a view in terms of some expressly modified version of branching time semantics. The system on which it is based is the simplest quantified modal logic.
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  16. Modal Predicates.Andrea Iacona - 2004 - Australasian Journal of Logic 2:44-69.
    Despite the wide acceptance of standard modal logic, there has always been a temptation to think that ordinary modal discourse may be correctly analyzed and adequately represented in terms of predicates rather than in terms of operators. The aim of the formal model outlined in this paper is to capture what I take to be the only plausible sense in which ‘possible’ and ‘necessary’ can be treated as predicates. The model is built by enriching the language of standard modal logic (...)
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  17.  44
    Credible Futures.Andrea Iacona & Samuele Iaquinto - 2021 - Synthese.
    This paper articulates in formal terms a crucial distinction concerning future contingents, the distinction between what is true about the future and what is reasonable to believe about the future. Its key idea is that the branching structures that have been used so far to model truth can be employed to define an epistemic property, credibility, which we take to be closely related to knowledge and assertibility, and which is ultimately reducible to probability. As a result, two kinds of claims (...)
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  18. Combination of Tense and Modality - Richmond Thomason. [REVIEW]Andrea Iacona - 2009 - Humana Mente 3 (8).
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  19.  49
    Love, Reasons, and Replaceability.Andrea Iacona & José Antonio Díez - forthcoming - Critica.
    Lovers typically entertain two sorts of thoughts about their beloveds. On the one hand, they think that some qualities of their beloveds provide reasons for loving them. Romeo would say that he loves Juliet in virtue of the way she is. On the other hand, they regard their beloveds as irreplaceable. Romeo would never be willing to exchange Juliet with another maiden. Yet it may be asked how these two sorts of thoughts can coherently coexist. If some qualities of Juliet (...)
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  20.  20
    Replies.Andrea Iacona - 2020 - Disputatio 12 (58):309-329.
    In this paper I provide five separate responses, one for each of the contributed papers, in order to clarify some crucial aspects of the view defended in my book.
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  21. TxW Epistemic Modality.Andrea Iacona - 2012 - Logic and Philosophy of Science 10:3-14.
    So far, T×W frames have been employed to provide a semantics for a language of tense logic that includes a modal operator that expresses historical necessity. The operator is defined in terms of quantification over possible courses of events that satisfy a certain constraint, namely, that of being alike up to a given point. However, a modal operator can as well be defined without placing that constraint. This paper outlines a T×W logic where an operator of the latter kind is (...)
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