CONTRADICTION
contradiction
(noun) the speech act of contradicting someone; “he spoke as if he thought his claims were immune to contradiction”
contradiction, contradiction in terms
(noun) (logic) a statement that is necessarily false; “the statement ‘he is brave and he is not brave’ is a contradiction”
contradiction
(noun) opposition between two conflicting forces or ideas
Source: WordNet® 3.1
Etymology
Noun
contradiction (countable and uncountable, plural contradictions)
(countable, uncountable) The act of contradicting.
(countable) A statement that contradicts itself, i.e, a statement that makes a claim that the same thing is true and that it is false at the same time and in the same senses of the terms.
(countable) A logical inconsistency among two or more elements or propositions.
(logic, countable) A proposition that is false for all values of its variables.
Synonyms
• (statement that contradicts itself): oxymoron
• (proposition that is false for all values of its variables): ↯, ⇒⇐, ⊥, ↮, ※
Antonyms
• (proposition that is false for all values of its variables): tautology
Coordinate terms
• (proposition that is false for all values of its variables): contingency, tautology
Source: Wiktionary
Con`tra*dic"tion, n. Etym: [L. contradictio answer, objection: cf. F.
contradiction.]
1. An assertion of the contrary to what has been said or affirmed;
denial of the truth of a statement or assertion; contrary
declaration; gainsaying.
His fair demands Shall be accomplished without contradiction. Shak.
2. Direct opposition or repugnancy; inconsistency; incongruity or
contrariety; one who, or that which, is inconsistent.
can be make deathless death That were to make Strange contradiction.
Milton.
We state our experience and then we come to a manly resolution of
acting in contradiction to it. Burke.
Both parts of a contradiction can not possibly be true. Hobbes.
Of contradictions infinite the slave. Wordsworth.
Principle of contradiction (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. It develops itself in
three specific forms which have been called the "Three Logical
Axioms." First. "A is A." Second, "A is not Not-A" Third, "Everything
is either A or Not-A."
Source: Webster’s Unabridged Dictionary 1913 Edition