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negate
Found in thesaurus: vary, deviate, diverge, depart, differ, dissent, disagree, take issue, prove, shew, show, establish, demonstrate, weaken
| Babylon English | Download this dictionary |
negate
v.
deny; refute, rebut, prove something wrong; neutralize; contradict
| English Wikipedia - The Free Encyclopedia | Download this dictionary |
Negation
In logic, negation, also called logical complement, is an operation that takes a proposition p to another proposition "not p", written ¬p, which is interpreted intuitively as being true when p is false and false when p is true. Negation is thus a unary (single-argument) logical connective. It may be applied as an operation on propositions, truth values, or semantic values more generally. In classical logic, negation is normally identified with the truth function that takes truth to falsity and vice versa. In intuitionistic logic, according to the Brouwer–Heyting–Kolmogorov interpretation, the negation of a proposition p is the proposition whose proofs are the refutations of p.
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| WordNet 2.0 | Download this dictionary |
negate
Verb
1. be in contradiction with
(synonym) contradict, belie
(hypernym) deviate, vary, diverge, depart
(derivation) negation
2. deny the truth of
(synonym) contradict, contravene
(hypernym) disagree, differ, dissent, take issue
(hyponym) deny
(derivation) negation
3. prove negative; show to be false
(synonym) contradict
(antonym) confirm, corroborate, sustain, substantiate, support, affirm
(hypernym) prove, demonstrate, establish, show, shew
(hyponym) invalidate, nullify
(classification) logic, logical system, system of logic
4. make ineffective by counterbalancing the effect of; "Her optimism neutralizes his gloom"; "This action will negate the effect of my efforts"
(synonym) neutralize, neutralise, nullify
(hypernym) weaken
| Babylon Italian-English | Download this dictionary |
negare
v.
deny, refuse, disclaim, negate, withhold, unsay, gainsay
| Babylon English-Czech | Download this dictionary |
negate
v.
zrušit; popřít
