作者Akali (くっくっくっ......)
看板Multi-lingua
标题Logic question ~
时间Mon Apr 10 02:47:18 2006
What is the difference betwwen "If" and " If and only if"?
Though the latter often appears in my calculus textbook, I never understand
its real meaning.
Help me ba ~~~~ My buddies ~~~
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◆ From: 61.230.3.61
1F：推 mgbit:If and only if 若且唯若,表示前後互为充要条件 04/10 04:16
2F：→ mgbit:吧~~~?! 04/10 04:17
3F：推 bloedchen:楼上~~没错~~~ 04/10 09:47
4F：→ bloedchen:if的话是这样 A->B (B is true IF A is true). 04/10 09:49
5F：推 lightkuo:@@ 这不是数学版 这不是数学版 这不是数学版XD 04/10 10:42
6F：推 handkerchief:程设也有机会用到~~ 04/10 17:27
7F：推 summitstudio:P 04/11 12:45
8F：推 yu0101: P 04/11 18:53
9F：推 Xkang:程式"语言"算不算多国语言的范围阿...社长(感觉好像老板)^^ 04/13 10:26
10F：推 Akali:算呀 我们现在语言学在上 Language Processing: Humans and 04/13 22:44
11F：推 Akali:Computer 04/13 22:45