作者Akali (くっくっくっ......)
看板Multi-lingua
標題Logic question ~
時間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 ~~~
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 61.230.3.61
1F：推 mgbit:If and only if 若且唯若,表示前後互為充要條件 04/10 04:16
2F：→ mgbit:吧~~~?! 04/10 04:17
3F：推 bloedchen:樓上~~沒錯~~~ 04/10 09:47
4F：→ bloedchen:if的話是這樣 A->B (B is true IF A is true). 04/10 09:49
5F：推 lightkuo:@@ 這不是數學版 這不是數學版 這不是數學版XD 04/10 10:42
6F：推 handkerchief:程設也有機會用到~~ 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"語言"算不算多國語言的範圍阿...社長(感覺好像老闆)^^ 04/13 10:26
10F：推 Akali:算呀 我們現在語言學在上 Language Processing: Humans and 04/13 22:44
11F：推 Akali:Computer 04/13 22:45