trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:' y8 v) e. E, t' U# O( l/ E
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0 Q& X' K7 _: f% I9 Z* k7 `, [咪就係話你醒過頭,所以吾會明其他人吾明D咩囉

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guswan

Originally posted by trista_cheong at 2006-10-18 16:10:
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李天命d 書聽聞非常正

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' j5 ^) i' Q6 o; k- U" I; U睇晒李天命都只得7分..............

pigcat

9分ja~~

trista_cheong

Originally posted by guswan at 2006-10-18 10:26 PM:2 g& @( m3 K2 Q/ G

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睇晒李天命都只得7分..............

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1 v$ ^; E& k8 e! ?; g$ ~7 分好多ga la wor 你仲想點?

Chingy

0-13分者为优秀（上限10％）；14－19分者为良好（20％）；20－25分者为中等（30％）；26－48分者为不佳（下限40％）。你的分数是13分，属于优秀。: R( O! c1 M, X2 ^# \2 L' f" [0 {

: q. c$ |$ g! u* b' Q7 Rfirst time do it...not a bad grade' S' {& b) x3 Z! N. |2 r% Z

( W( c( S! L1 ^- y3 {) u' Y[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
2 _' Y6 r* V+ lP --> Q, 因為 P  所以 Q
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Modus tollendo tollens
* z0 e) E/ K0 ~5 ?. w  DP --> Q, 取得 ~P  所以 ~Q8 h8 J' Q6 @. |! |% g

% \% M) O7 E% gDisjunctive syllogism- ~9 b- F4 M$ K
P or Q, 取得 ~P  所以 Q
$ k9 \0 u% Z2 o/ A( }P or Q, 取得 ~Q  所以 P9 ?# {" r/ c6 q5 C4 q3 W
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Conjunctive syllogism
& Q& _+ R0 E8 ^7 f9 A2 ~' S* h. T8 ]7 C~(P & Q), 取得 P  所以 ~Q5 C, B' q( e6 H0 m, ]9 C- @" h
~(P & Q), 取得 Q  所以 ~P$ [  w" a" M6 X! K( H
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Hypothetical syllogism% [2 J& ~# H. `- {  N! [+ L# u5 R
P --> Q, 取得 Q --> R  所以 P --> R8 N0 W. o: p' ~, f' d

) m7 g2 i& O/ |& B2 hDe Morgan's theorem
* F% A' X. U! @% N- G~(P & Q)  所以 ~P or ~Q- W' g2 z; G9 t' S% D
~(P or Q)  所以 ~P & ~Q