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

Books on Amazon
I 93
material equivalence / Prior: must not be equated with identity - all true propositions are material equivalent, but ((s) they do not say the same thing) - Prior: Paradox of the truth-teller: "I think something true" requires a second truth beside this thought -

Pri I
A. Prior
Objects of thought Oxford 1971

Pri II
Arthur N. Prior
Papers on Time and Tense 2nd Edition Oxford 2003

> Counter arguments against Prior
> Counter arguments in relation to Equivalence

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Ed. Martin Schulz, access date 2017-05-27