Negation

E883403

Negation is a fundamental logical and linguistic operation that reverses the truth value or meaning of a statement, turning an assertion into its opposite.

All labels observed (1)

Label Occurrences
Negation canonical 1

How this entity was disambiguated

Statements (65)

Predicate Object
instanceOf linguistic operation ⓘ
logical operation ⓘ
truth‑functional connective ⓘ
unary connective ⓘ
contradictionFormulation not both p and not p ⓘ
coreIdea reverses truth value of a proposition ⓘ
doubleNegationFormulation ¬¬p is equivalent to p in classical logic ⓘ
excludedMiddleFormulation either p or not p ⓘ
expressedInEnglishBy never ⓘ
no ⓘ
nobody ⓘ
not ⓘ
nothing ⓘ
expressedMorphologicallyBy negative affixes ⓘ
negative particles ⓘ
formalizedBy Hilbert systems ⓘ
natural deduction systems ⓘ
sequent calculi ⓘ
truth tables ⓘ
hasArity 1 ⓘ
hasLogicalLaw double negation ⓘ
law of excluded middle ⓘ
law of non‑contradiction ⓘ
hasPragmaticEffect can express correction ⓘ
can express denial ⓘ
can express refusal ⓘ
hasSemanticEffect reverses proposition polarity ⓘ
hasTruthTableRow if p is false then ¬p is true ⓘ
if p is true then ¬p is false ⓘ
hasType classical negation ⓘ
constituent negation ⓘ
default negation ⓘ
intuitionistic negation ⓘ
metalinguistic negation ⓘ
negation as failure ⓘ
paraconsistent negation ⓘ
sentential negation ⓘ
strong negation ⓘ
weak negation ⓘ
mapsFalseTo true ⓘ
mapsTrueTo false ⓘ
relatedConcept complement ⓘ
contradiction ⓘ
opposition ⓘ
polarity ⓘ
truth value ⓘ
studiedIn formal semantics ⓘ
logic ⓘ
philosophy of language ⓘ
pragmatics ⓘ
theoretical linguistics ⓘ
symbolizedBy ! ⓘ
not ⓘ
~ ⓘ
¬ ⓘ
usedIn classical logic ⓘ
database query languages ⓘ
first‑order logic ⓘ
intuitionistic logic ⓘ
modal logic ⓘ
natural language semantics ⓘ
paraconsistent logic ⓘ
programming languages ⓘ
propositional logic ⓘ
set theory ⓘ

How these facts were elicited

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.