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

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

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

Unquestionably:—but this is an identical proposition: for an object of desire means merely a thing which a man will procure if he can.

From Miscellaneous Writings and Speeches — Volume 2 by Macaulay, Thomas Babington Macaulay, Baron

Really a definition, as such, cannot explain a thing's nature, being merely an identical proposition explaining the meaning of a word.

From Analysis of Mr. Mill's System of Logic by Stebbing, W. (William)