“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	saccus sac fungus sack cloth sackungen Sackur-Tetrode equation sacral block sacral nerve sacral vertebrae sacrificial anode sacrificial metal sacrococcygeus sacroiliac sacrospinous sacrum saddle saddleback saddle fold saddle leather saddle point saddle-point azeotrope saddle point method saddle-point theory saddle reef saddle stone saddle-type turret lathe

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