When the truth of sentence (a) guarantees the truth of sentence (b) , and the falsity of sentence (b) guarantees the falsity of sentence (a) , we can say that______.A.sentence (a) presupposes sentence (b)B.sentence (a) entails sentence (b)C.sentence (a) is inconsistent with sentence (b)D.sentence (a) contradicts sentence (b)
A.A.sentence
B.sentence
C.sentence
D.sentence