negation

English Thesaurus

1. (logic) a proposition that is true if and only if another proposition is false (noun.communication)

hypernym	:	proposition,
definition	:	(logic) a statement that affirms or denies something and is either true or false (noun.communication)

domain category	:	logic,
definition	:	the branch of philosophy that analyzes inference (noun.cognition)

2. the speech act of negating (noun.communication)

hypernym	:	denial, disaffirmation,
definition	:	the act of asserting that something alleged is not true (noun.communication)

hyponym	:	contradiction,
definition	:	the speech act of contradicting someone (noun.communication)

hyponym	:	cancellation,
definition	:	the speech act of revoking or annulling or making void (noun.communication)

3. a negative statement; a statement that is a refusal or denial of some other statement (noun.communication)

hypernym	:	statement,
definition	:	a message that is stated or declared; a communication (oral or written) setting forth particulars or facts etc (noun.communication)

4. (logic) a proposition that is true if and only if another proposition is false (noun.communication)

derivation	:	belie, contradict, negate,
definition	:	be in contradiction with (verb.stative)

5. the speech act of negating (noun.communication)

derivation	:	contradict, contravene, negate, contradict, contravene, negate,
definition	:	deny the truth of (verb.communication)

6. (logic) a proposition that is true if and only if another proposition is false (noun.communication)

derivation	:	belie, contradict, negate,
definition	:	be in contradiction with (verb.stative)

7. the speech act of negating (noun.communication)

derivation	:	contradict, contravene, negate, contradict, contravene, negate,
definition	:	deny the truth of (verb.communication)