Abstract
This paper develops a criterion for sameness of Fregean senses. I consider three criteria: logical equivalence, intensional isomorphism, and epistemic equipollence. I reject the first two and argue for a version of the third.
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Schellenberg, S. Sameness of Fregean sense. Synthese 189, 163–175 (2012). https://doi.org/10.1007/s11229-012-0098-7
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DOI: https://doi.org/10.1007/s11229-012-0098-7