“negation”的概念、定义、翻译、参考文献-科学参考

单词	negation
释义	negation [nǝ`gā·shǝn] ^MATHEMATICS The negation of a proposition P is a proposition which is true if and only if P is false; this is often written ~ P. f ¹
随便看	heavy acid heavy alloy heavy antiaircraft artillery heavy artillery heavy bombardment heavy bomber heavy chain heavy concrete heavy crude heavy cruiser heavy drop heavy-duty heavy-duty car heavy-duty oil heavy-duty tool block heavy ends heavy-fermion superconductor heavy-fermion system heavy field artillery heavy floe heavy force fit heavy fraction heavy ground heavy howitzer heavy hydrogen

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