negation

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a negative statement;
a statement that is a refusal or denial of some other statement
• Derivationally related forms:
negate
• Hypernyms:
statement
2. the speech act of negating
• Derivationally related forms:
negate
• Hypernyms:
denial, disaffirmation
• Hyponyms:
contradiction, cancellation
3. (logic) a proposition that is true if and only if another proposition is false
• Derivationally related forms:
negate
• Topics:
logic
• Hypernyms:
proposition