“contrapositive((of a conditional, P → Q))”的概念、定义、翻译、参考文献-科学参考

单词	contrapositive((of a conditional, P → Q))
释义	contrapositive((of a conditional, P → Q)) Computer The statement $\neg Q \to \neg P$ where ¬ denotes negation. The contrapositive of a conditional is therefore equivalent to the original conditional. See also converse, inverse.
随便看	prussic acid PRV Prynne, William (1600–69) Przewalski’s horse Prévost, Pierre Prévost’s theory of exchanges ps PS/2 keyboard/mouse interface PSA PSAC Psamathe psammite PSC PSD PSDS PSE psephite pseudo pseudoaromatic pseudoautosomal region pseudo-axial pseudobreccia pseudocarp Pseudociliata pseudocode

科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。