ALL meanings of subcontrary
sub·con·tra·ry
S s - noun plural subcontrary one of two propositions that can both be true but cannot both be false. 1
- adjective subcontrary (of a pair of propositions) related such that they cannot both be false at once, although they may be true together 0
- noun subcontrary a statement that cannot be false when a given statement is false 0
- noun subcontrary either of two propositions so related that both can be true but both cannot be false 0