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(2018) Synthese 195 (3).
Intersubstitutivity principles and the generalization function of truth
Anil Gupta, Shawn Standefer
pp. 1065-1075
We offer a defense of one aspect of Paul Horwich’s response to the Liar paradox—more specifically, of his move to preserve classical logic. Horwich’s response requires that the full intersubstitutivity of ‘ ‘A’ is true’ and A be abandoned. It is thus open to the objection, due to Hartry Field, that it undermines the generalization function of truth. We defend Horwich’s move by isolating the grade of intersubstitutivity required by the generalization function and by providing a new reading of the biconditionals of the form “ ‘A’ is true iff A.”
Publication details
DOI: 10.1007/s11229-017-1318-y
Full citation:
Gupta, A. , Standefer, S. (2018). Intersubstitutivity principles and the generalization function of truth. Synthese 195 (3), pp. 1065-1075.
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