trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:- N2 ]+ Q  S" F% E# H! i; s

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  _4 @+ Y' p$ i7 _; P, S5 m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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  ~2 L, k  D; Z* I................................

guswan

Originally posted by trista_cheong at 2006-10-18 16:10:2 C0 H( l* g6 \* A. p, E; ]
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3 E/ |: [+ I) X) \李天命d 書聽聞非常正

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: P% B1 C3 N  ~5 `7 }* q9 |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:
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睇晒李天命都只得7分..............

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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。9 U: p; C4 A4 f. o0 E

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[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
6 j- W+ r$ [  ^P --> Q, 因為 P  所以 Q* a, F3 ^" ~2 C" H! i

$ V& ?- l! F/ n3 VModus tollendo tollens
3 H$ k8 \( v% V2 KP --> Q, 取得 ~P  所以 ~Q6 F; k! y3 g) l$ t* s

5 r% \( f* q- j1 J/ Y$ cDisjunctive syllogism
& M6 K+ W4 ^3 TP or Q, 取得 ~P  所以 Q. O2 o) y! s0 D
P or Q, 取得 ~Q  所以 P
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+ M3 ~+ A  H/ ~& x9 tConjunctive syllogism
+ |! y$ V  m3 S1 j6 G. I~(P & Q), 取得 P  所以 ~Q
! V$ K4 j' ]# a9 v~(P & Q), 取得 Q  所以 ~P
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, @9 e7 A4 n/ v  k! NHypothetical syllogism
6 r' Z  ^% q9 ]& z  h( F+ Y; V4 H6 wP --> Q, 取得 Q --> R  所以 P --> R
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) I( i( m/ f+ _# H, @+ Y4 hDe Morgan's theorem" |$ Y7 s( L3 G' K+ b# K0 [; e
~(P & Q)  所以 ~P or ~Q
1 ?* A7 C) Y, d~(P or Q)  所以 ~P & ~Q