Philosophy Lexicon of Arguments

Equivalence: Relation between sentences. It exists if both sides have the same truth value, so that they are both true or both false.
Author Item Excerpt Meta data
Thomson, J.F.
Books on Amazon
Equivalence Horwich I 161
Material equivalent/T-schema/Thomson: "material equivalent" is itself defined in terms of truth.
I 161
Equivalence/equivalent/Thomson: E.g. twice the same expression, whereby once its definition was used instead of a part of it - that is not the form of instances of Tarski's truth definition.

Hor I
P. Horwich (Ed.)
Theories of Truth Aldershot 1994

> Counter arguments in relation to Equivalence

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Ed. Martin Schulz, access date 2017-03-29