law of identity

American  

noun

Logic.

1. the law that any proposition implies itself.

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Example Sentences

See Examples For:

law of identity

Especially is this the case with regard to the law of identity.

From Deductive Logic by St. George William Joseph Stock

Neither would the law of identity be infringed.

From Deductive Logic by St. George William Joseph Stock

For we should in this case have a thing which neither was nor was not, so that the conditions of the law of identity could not exist to be broken.

From Deductive Logic by St. George William Joseph Stock

This law is the metaphysical equivalent of the first law of motion in physics which is itself the equivalent of the law of identity in logic.

From The Philosophy of Spinoza by Joseph Ratner

At Eton the traditional law of identity of stroke and captain held good, with natural Etonian conservatism, until a date even later than that of the previously related anecdote of Queen’s College.

From Boating by W. B. Woodgate