The obverse of "No sofas are chairs" is:
A)all non-chairs are non-sofas
B)all sofas are non-chairs
C)no sofa is a non-chair
D)no chair is a sofa

Question

Quizplus · Accepted Answer

The obverse of a categorical proposition involves changing the quality (affirmative to negative or vice versa) and replacing the predicate with its complement. "No sofas are chairs" becomes "All sofas are non-chairs."

The Obverse of "No Sofas Are Chairs" Is