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Indicatives, concessives, and evidential support

Douven, I. & Verbrugge, S., 2012, In : Thinking & reasoning. 18, 4, p. 480-499 20 p.

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  • Igor Douven
  • Sara Verbrugge

This paper discusses the issue of categorical acceptability of indicative and concessive conditionals. It presents experimental results in favour of two claims concerning the role of the evidential support relation for acceptability (or otherwise) of conditionals of both types. In particular, the results show that, contrary to fairly standard philosophical theorising, high probability of a conditional's consequent given its antecedent is necessary but not sufficient for the acceptability of that conditional, and that the antecedent being evidence for the consequent is a further acceptability condition. The results further show that the evidential support relation is crucial in differentiating between the acceptability of an indicative conditional and the acceptability of the corresponding concessive conditional: typically, the use of a concessive conditional signals that the corresponding conditional probability is high in spite of the fact that the antecedent is evidence against the consequent, or in any case is not evidence for the consequent.

Original languageEnglish
Pages (from-to)480-499
Number of pages20
JournalThinking & reasoning
Volume18
Issue number4
Publication statusPublished - 2012

    Keywords

  • Indicative conditionals, Concessive conditionals, Evidential support, Acceptability, Probability, CONDITIONAL PROBABILITIES, CAUSAL

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