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

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)

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

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

For in the New Testament it is neither an identical proposition, nor a contradiction in terms; and, as laid down by Mr Bentham, it must be either the one or the other.

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

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