Thomas Kroedel – Counterfactuals and Modal Knowledge

Abstract: The paper provides an evolutionary explanation of knowledge of metaphysical modality, or modal knowledge, from knowledge of counterfactual conditionals. It criticises an attempt by Williamson to provide such an account for being at odds with results from empirical psychology. Instead, it suggests taking the equivalence of ‘Necessarily p’ with ‘For all q, if q were the case, p would be the case’ as a starting-point for an explanation of modal knowledge.

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