詞語：contrapositive
contrapositive的解釋
contrapositive[,kɔntrə'pɔzitiv]adj. 對換的；對照的n. 對換句
contrapositive的意思
contrapositive 對換句;異質位換式;對換的;逆反式;contrapositive sentence 換質位;contrapositive rule 倒置規則，換質位規則;倒置規則,逆反式規則;proof by contrapositive 反證法;
contrapositive的參考例句
1.The contrapositive is equally true. 這個反命題同樣是正確的。
2.A proposition derived by negating and permuting the terms of another, equivalent proposition; for example, All not-Y is not-X is the contrapositive of All X is Y. 質位變換命題由否定和置換另一等價命題的項而得到的命題；例如，「所有的非y是非x」是「所有的x是y」的質位變換命題。
3.A proposition derived by negating and permuting the terms of another, equivalent proposition; for example, All not - Y is not - X is the contrapositive of All X is Y . 質位變換命題由否定和置換另一等價命題的項而得到的命題；例如，「所有的非y是非X」是「所有的X是y」的質位變換命題。