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

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Example Sentences

See Examples For:

identical proposition

A practical law which I recognise as such must be qualified for universal legislation; this is an identical proposition and, therefore, self-evident.

From The Critique of Practical Reason by Thomas Kingsmill Abbott

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 Thomas Babington Macaulay, Baron Macaulay

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 Albert Taylor Bledsoe

That nothing can extend beyond its limits is an identical proposition.

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

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 James Anthony Froude

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