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单词 universal negative
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universal negative
universal negative n. Logic a proposition of the form ‘no X is Y’; cf. sense A. 6b, universal affirmative n.Symbol E: see E n.1 5.
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1551 T. Wilson Rule of Reason Gvijv In Celarent we se twise E, whereby we are taught that the argument (if we make it in this mode) must haue two vniuersall negatiues.
1654 Z. Coke Logick 114 Propositions of the manner necessary are converted so as the pure simply, when they are universal negatives.
1728 E. Chambers Cycl. at Felapton In a Syllogism, in Felapton, the first Proposition is an universal Negative; the second, an universal Affirmative; and the third, a particular Negative.
1832 C. Wesley Guide Syllogism 9 There are four kinds of pure categorical propositions, distinguished by the symbols, A, E, I, O. Universal affirmative, A. Universal negative, E. [etc.].
1910 Encycl. Brit. I. 2/1 The universal negative ‘no x is y’, and the particular negative ‘some x is not y’.
2001 Jrnl. Philos. Logic 30 218 Particular affirmatives turn out to be trivially true, and universal negatives trivially false.
extracted from universaladj.n.adv.
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