Schwab, Lafourcade, Prince, pres. by Ch. Boitet
Antonymy and Conceptual Vectors
1- Complementary antonymy
nValues are boolean & symmetric (0Ē1)

nExamples :
nevent/non-eventdead/alive
nexistence/non-existence
n
nHe is present He is not absent
nHe is absent He is not present