英语词汇“iff”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

iff

释义

iff
A written form of abbreviation of the phrase ‘if and only if’, always read as ‘if and only if’, used in Math. and Logic to introduce a condition that is necessary as well as sufficient, or a statement that is implied by and implies the preceding one.
1955J. L. Kelley Gen. Topology vii. 232 F is equicontinuous at x iff there is a neighborhood of x whose image under every member of F is small.1961R. R. Stoll Sets, Logic, & Axiomatic Theories i. 5 Two sets are equal iff (if and only if) they have the same members.1964T. O. Moore Elem. Gen. Topol. i. 2 We use ‘iff’ as an abbreviation for ‘if and only if’.1965B. Mates Elem. Logic viii. 137 ϕ {elem} Δ iff ϕ is derivable from Δ.1971G. Hunter Metalogic 16 Hereafter we abbreviate ‘if and only if’ to ‘iff’.1972R. Inst. Philos. Lect. V. 34 An integer n is prime iff the only integers which divide it without remainder are itself and one.

英语词典包含277258条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

相关内容11：

“iff”的英英意思

“脑刀”英文翻译

“i-fered”的英英意思

...">“i-fere”的英英意思

“脑出血性卒中”英文翻译

...">“i-fell”的英英意思

友情链接