identical proposition

American  

noun

Logic.

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

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identical proposition British  

noun

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

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Etymology

Origin of identical proposition

First recorded in 1635–45

Example Sentences

See Examples For:

identical proposition

It is an identical proposition in verbal disguise, with the fault that it makes negation affirmation, passiveness action.

From The Destiny of the Soul A Critical History of the Doctrine of a Future Life by Alger, William Rounseville

President Edwards himself has frequently reduced the fundamental doctrine of the Inquiry to an identical proposition.

From An Examination of President Edwards' Inquiry into the Freedom of the Will by Bledsoe, Albert Taylor

Reflection 5.—The foregoing Reflection is not an identical proposition.

From The Fiend's Delight by Bierce, Ambrose

If morality be the science of minimizing human misery, to say that sin brings suffering, is merely to express an identical proposition.

From Prose Masterpieces from Modern Essayists by Froude, James Anthony

If Every man is fallible, is it an identical proposition that Every man is liable to error?

From Logic Deductive and Inductive by Read, Carveth