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

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 Ratner, Joseph

Besides aiding the comforting expression of moral disapproval, the law of identity has yet another useful purpose in practical ethics: It serves the welcome purpose of providing an excuse for infractions of the moral law.

From The philosophy of B*rtr*nd R*ss*ll by Various

Its petals, moreover, furnish the best example of the gradual transition of petals into stamens, —illustrating that wonderful law of identity which is the great discovery of modern science.

From The Atlantic Monthly, Volume 02, No. 11, September, 1858 by Various

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 Stock, St. George William Joseph

Neither would the law of identity be infringed.

From Deductive Logic by Stock, St. George William Joseph