| 单词 | contrapositive |
| 释义 | Word Frequency contrapositive(ˌkɒntrəˈpɒzɪtɪv) adjective 1. placed opposite or against noun 2. logic a. a conditional statement derived from another by negating and interchanging antecedent and consequent b. a categorial proposition obtained from another, esp validly, by any of a number of operations including negation, transferring the terms, changing their quality, and also possibly weakening from universal to particular |
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