Performative / Ditto Theory of Truth

Discipline: Philosophy

Theory developed by English philosopher Peter Frederick Strawson (1919- ) in and after 1949 from Frank Ramsey's redundancy theory of truth, and in opposition to the correspondence theory.

To call something true is to perform the act of agreeing with it, endorsing it, appraising it and so on. Like the emotive theory of truth this is a speech act theory, and like similar theories in ethics and elsewhere is open - at least prima facie - to the objection that it cannot cover cases like 'If that is true, then... ' where the relevant speech act is not being performed.

Source:
G Pitcher, ed., Truth (1964)

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