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

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 Jowett, Benjamin

The saying this is almost like offering an identical proposition.

From How to Observe Morals and Manners by Martineau, Harriet

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 Meiklejohn, John Miller Dow

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)

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