This paper examines an argument of Saul Kripke for the necessity of theoretical identification statements and defends it against a criticism of M. Perrick ("Are Kripke's Theoretical Identifications Necessary Truths?", Logique et Analyse, Volume 115, September 1986, pages 381-384). It is argued that Perrick's criticism rests on a fallacy of ambiguity. Formal modal logic is used to examine a number of plausible interpretations of Kripke's argument, and Perrick's error is shown to arise from confus…
Read moreThis paper examines an argument of Saul Kripke for the necessity of theoretical identification statements and defends it against a criticism of M. Perrick ("Are Kripke's Theoretical Identifications Necessary Truths?", Logique et Analyse, Volume 115, September 1986, pages 381-384). It is argued that Perrick's criticism rests on a fallacy of ambiguity. Formal modal logic is used to examine a number of plausible interpretations of Kripke's argument, and Perrick's error is shown to arise from confusion concerning the scope of the modal necessity operator.
