Haack, Susan. The Justification of Deduction
1976, Mind 85 (337): 112-119.
Added by: Jie Gao
Abstract: It is often taken for granted by writers who propose - and, for that matter, by writers who oppose - 'justifications' of inductions, that deduction either does not need, or can readily be provided with, justification. The purpose of this paper is to argue that, contrary to this common opinion, problems analogous to those which, notoriously, arise in the attempt to justify induction, also arise in the attempt to justify deduction.
Comment: This paper argues that justification for deduction, like justification for induction, also has the problem of circularity. It is suitable for teachings on topic of justification for inference in a course on philosophy of logic.
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