negation
否定
Affirmation and negation (grammatical polarity)
Ampheck
Apophasis
Binary opposition
Bitwise NOT
Contraposition
Cyclic negation
Logical conjunction
Logical disjunction
Negation as failure
NOT gate
Plato's beard
Square of opposition
Truth function
truth table
/suto3/google.iconnegation
image negation
define negation
wikipedia negation
weblio negation
kotobank negation
jisho negation