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Daniele Chiffi
Politecnico di Milano
  1.  76
    Assertion and Hypothesis: A Logical Framework for Their Opposition Relations.Massimiliano Carrara, Daniele Chiffi & Ciro De Florio - 2017 - Logic Journal of the IGPL 25 (2):131-144.
    Following the speech act theory, we take hypotheses and assertions as linguistic acts with different illocutionary forces. We assume that a hypothesis is justified if there is at least a scintilla of evidence for the truth of its propositional content, while an assertion is justified when there is conclusive evidence that its propositional content is true. Here we extend the logical treatment for assertions given by Dalla Pozza and Garola by outlining a pragmatic logic for assertions and hypotheses. On the (...)
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  2.  75
    On an Intuitionistic Logic for Pragmatics.Gianluigi Bellin, Massimiliano Carrara & Daniele Chiffi - 2018 - Journal of Logic and Computation 50 (28):935–966..
    We reconsider the pragmatic interpretation of intuitionistic logic [21] regarded as a logic of assertions and their justi cations and its relations with classical logic. We recall an extension of this approach to a logic dealing with assertions and obligations, related by a notion of causal implication [14, 45]. We focus on the extension to co-intuitionistic logic, seen as a logic of hypotheses [8, 9, 13] and on polarized bi-intuitionistic logic as a logic of assertions and conjectures: looking at the (...)
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  3.  38
    The Logical Burdens of Proof. Assertion and Hypothesis.Daniele Chiffi & Fabien Schang - 2017 - Logic and Logical Philosophy 26 (4):1-22.
    The paper proposes two logical analyses of (the norms of) justification. In a first, realist-minded case, truth is logically independent from justification and leads to a pragmatic logic LP including two epistemic and pragmatic operators, namely, assertion and hypothesis. In a second, antirealist-minded case, truth is not logically independent from justification and results in two logical systems of information and justification: AR4 and AR4¢, respectively, provided with a question-answer semantics. The latter proposes many more epistemic agents, each corresponding to a (...)
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  4.  69
    Extending and Applying a Logic for Pragmatics.Massimiliano Carrara, Daniele Chiffi & Ciro De Florio - 2017 - Logique Et Analyse 239:227-244.
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  5.  60
    A Multimodal Pragmatic Treatment of the Knowability Paradox.Massimiliano Carrara, Daniele Chiffi & Davide Sergio - 2017 - In Gillman Payette & Rafal Urbaniak (eds.), Applications of Formal Philosophy. The Road Less Travelled. Berlin: Springer International Publishing AG. pp. 195-209.
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  6.  45
    Some Preliminaries on Assertion and Denial.Massimiliano Carrara, Daniele Chiffi & Ciro De Florio - 2017 - Logique Et Analyse 239:203-207.
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  7.  28
    On Assertion and Denial in the Logic for Pragmatics.Massimiliano Carrara, Daniele Chiffi & Ciro De Florio - 2017 - Journal of Applied Logic 25:S97-S107.
    The aim of this paper is twofold: First, we present and develop a system of logic for pragmatics including the act of denial. Second, we analyse in our framework the so-called paradox of assertability. We show that it is possible to yield sentences that are not assertable. Moreover, under certain conditions, a symmetric result can be obtained: There is a specular paradox of deniability. However, this paradox is based on the problematic principle of classical denial equivalence.
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