identical proposition

noun Logic.

a proposition in which the subject and predicate have the same meaning, as, “That which is mortal is not immortal.”

Origin of identical proposition

First recorded in 1635–45 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for identical proposition

identical proposition


logic a necessary truth, esp a categorial identity, such as whatever is triangular has three sides
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