• 2021-04-14
    【单选题】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) entails sentence (b)
    B. sentence (a) presupposes sentence (b)
    C. sentence (a) is inconsistent with sentence (b)
    D. sentence (a) contradicts sentence (b)