Sentence examples similar to non contradiction from inspiring English sources

Here it is, from John Galt's big speech in "Atlas Shrugged": "A is A: non-contradiction".

The thing I think people find hard to wrap their minds around is the following non-contradiction: 1.

(See also Aristotle on Non-contradiction).

Of course the law of non-contradiction produces tautologies, too.

See Aristotle's Metaphysics, Aristotle on non-contradiction, Dancy 1975, and Code 1986 for further discussion.

But by the Law of Non-contradiction we know that ~(R ∈ R ∧ ~(R ∈ R)).

(5) Therefore, Damian has to claim that the principle of non-contradiction is not universally valid.

Such hold that there are exceptions to the law of non-contradiction.

This states the Principles of Non-contradiction and of Excluded Middle.

The Eastern responses are more dialectical, whereas Westerners are guided by the principle of Non-Contradiction.

The law of non-contradiction states that a proposition and its negation cannot be both true.