英语词汇“negation sign”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

> as lemmas

negation sign

negation sign n. Logic a sign or symbol used to indicate negation.

ΘΚΠ

society > computing and information technology > [noun] > logic > operation > particular operations > sign

negation sign1938

1938 Jrnl. Symbolic Logic 13 79 (note) M is any ‘affirmative’ modal, that is, any modal with an even number of negation signs.

1948 J. C. C. McKinsey & A. Tarski in Jrnl. Symbolic Logic 13 1 As regards constants, they are three in number: the negation sign, the conjunction sign, and the possibility sign.

1955 A. N. Prior Formal Logic iii. ii. 253 We regard..his negation-sign as meaning impossibility.

1995 Jrnl. Philos. 92 641 A form in which all negation signs are prefixed to atomic formulas.

extracted from negationn.

as lemmas

单词	negation sign
释义	> as lemmas negation sign negation sign n. Logic a sign or symbol used to indicate negation. ΘΚΠ society > computing and information technology > [noun] > logic > operation > particular operations > sign negation sign1938 1938 Jrnl. Symbolic Logic 13 79 (note) M is any ‘affirmative’ modal, that is, any modal with an even number of negation signs. 1948 J. C. C. McKinsey & A. Tarski in Jrnl. Symbolic Logic 13 1 As regards constants, they are three in number: the negation sign, the conjunction sign, and the possibility sign. 1955 A. N. Prior Formal Logic iii. ii. 253 We regard..his negation-sign as meaning impossibility. 1995 Jrnl. Philos. 92 641 A form in which all negation signs are prefixed to atomic formulas. extracted from negationn. < as lemmas
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