more from Stephen Read

Single Idea 11013

[catalogued under 7. Existence / D. Theories of Reality / 10. Vagueness / f. Supervaluation for vagueness]

Full Idea

In supervaluations, the Law of Identity has no value for empty names, and remains so if extended. The Indiscernibility of Identicals also fails if extending it for non-denoting terms, where Fa comes out true and Fb false.

Gist of Idea

Identities and the Indiscernibility of Identicals don't work with supervaluations


Stephen Read (Thinking About Logic [1995], Ch.5)

Book Reference

Read,Stephen: 'Thinking About Logic' [OUP 1995], p.142