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

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

I. On the first hypothesis we may remark: first, That one is one is an identical proposition, from which we might expect that no further consequences could be deduced.

From Parmenides by Benjamin Jowett

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

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

The saying this is almost like offering an identical proposition.

From How to Observe Morals and Manners by Harriet Martineau

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