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

An identical proposition is one that says the same thing precisely in subject and predicate.

From English Synonyms and Antonyms With Notes on the Correct Use of Prepositions by Fernald, James Champlin

It admits of but one attribution, and that embracing an identical proposition.

From Life: Its True Genesis by Wright, R. W.

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

That every thing predicable of the universal was predicable of the various individuals contained under it, was then no identical proposition, but a statement of what was conceived as a fundamental law of the universe.

From A System Of Logic, Ratiocinative And Inductive by Mill, John Stuart

It is an identical proposition, which experience can neither shake nor confirm.

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