obverts造句
造句与例句手机版
- Because nothing is said in the definition of contraposition with regard to the predicate of the inferred proposition, it can be either the original subject, or its contradictory, resulting in two contrapositives which are the obverts of one another in the " A ", " O ", and " E " type propositions.
- It's difficult to see obverts in a sentence. 用obverts造句挺难的