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

But when Amelia puts her foot down, she puts her foot down—a fact which she is unnecessarily fond of emphasising in that identical proposition.

From An African Millionaire Episodes in the Life of the Illustrious Colonel Clay by Grant Allen

The saying this is almost like offering an identical proposition.

From How to Observe Morals and Manners by Harriet Martineau

But that the I which thinks, must be considered as in thought always a subject, and as a thing which cannot be a predicate to thought, is an apodeictic and identical proposition.

From The Critique of Pure Reason by John Miller Dow Meiklejohn

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 William Rounseville Alger

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 Thomas Babington Macaulay, Baron Macaulay