Principle of contradiction

Also found in: Wikipedia.
Related to Principle of contradiction: Law of noncontradiction
(Logic) the axiom or law of thought that a thing cannot be and not be at the same time, or a thing must either be or not be, or the same attribute can not at the same time be affirmed and and denied of the same subject; also called the law of the excluded middle.

See also: Contradiction

Mentioned in ?
References in periodicals archive ?
In addition, "there is a white spot inside the black shape, and a black spot inside the white shape," which reflects the principle of contradiction (Peng et al.
Freud, in this text, founded the operation of the unconscious and dream, both unaware of the principle of contradiction, establishing an analogy with some primitive Egyptian languages.
Baumgarten only devotes one paragraph to the principle of contradiction and another to that of sufficient reason, while Wolff devotes a whole chapter to each.
Consequently the author states his thesis subjecting it to the principle of contradiction.
a falsity which is determined, in its turn, by violating the principle of contradiction exclusion by the statement segments "[p.
The truth of an analytic judgment can be adequately known in accordance with the principle of contradiction.
The principle of contradiction, however, does not serve the book well in every aspect.
According to the principle of contradiction, reality is full of contradictions because change is constant and, thus, two sides of any contradiction are always in active harmony, opposed but connected.
Subsequently, the Commission appealed to the court against the tribunal's decision, and the court annulled this decision for violating the principle of contradiction and the right to defence, sending the case back to the tribunal for a second assessment.
Watkins discerns in the Crusius selection a sophisticated integration of empiricist and rationalist views, an account of truth rooted in something more than the mere principle of contradiction, a libertarian theory of freedom, an account of space and time that partially anticipates Kant's, and hints of a conception of necessary metaphysical truths as ' a priori conditions' of our understanding.
Following Baudelaire's lead in his letters, essays, and other writings, he reminds us of the centrality of the principle of contradiction in the poet's aesthetic and its grounding in a duality that constantly inflects the satanic towards a divine that, irony of ironies, can be guessed at only through the 'fleurs du mal' (art, sex, drink, vice), born of man's insatiable hunger for the infinite.
Thomas Aquinas' principle of contradiction which says that something cannot be affirmed and denied at the same time.

Full browser ?