Topic summary
Deflationism
Extracted from the Wikipedia article Deflationary theory of truth.
Objections to deflationism
One of the main objections to deflationary theories of all flavors was formulated by Jackson, Oppy and Smith in 1994 (following Kirkham 1992). According to the objection, if deflationism is interpreted as a sentential theory (that is, one where truth is predicated of sentences on the left hand side of the biconditionals such as (T) above), then deflationism is false; on the other hand, if it is interpreted as a propositional theory, then it is trivial. Examining another simple instance of the standard equivalence schema: