adj.
Pronunciation: ˌ kän-tr ə - ' dik-t( ə -)r ē
Function: noun
Inflected Form: plural -ries
Date: 14th century
: a proposition so related to another that if either of the two is true the other is false and if either is false the other must be true
adj.
Pronunciation: ˌ kän-tr ə - ' dik-t( ə -)r ē
Function: noun
Inflected Form: plural -ries
Date: 14th century
: a proposition so related to another that if either of the two is true the other is false and if either is false the other must be true
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012