trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:; ~6 O2 a/ q+ J7 x

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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 16:10:1 Y! m, s6 h3 Z  y
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- d5 L3 ~: \8 I- k5 S  H李天命d 書聽聞非常正

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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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6 g" z9 k7 Q4 o7 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。
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first time do it...not a bad grade
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9 K3 t: _  n$ I  x2 |[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens8 [0 I2 G0 B: W/ P1 \) h- X) ?; _
P --> Q, 因為 P  所以 Q
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Modus tollendo tollens
) L& M0 {6 _. j/ JP --> Q, 取得 ~P  所以 ~Q2 q! B9 E7 l# H: J
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Disjunctive syllogism
9 E2 e* W  N5 b9 x: GP or Q, 取得 ~P  所以 Q7 T5 M' l. M* _5 V
P or Q, 取得 ~Q  所以 P# I1 W) z1 Y) K8 B. y( s+ i, u

" O0 Y' s, k& s9 AConjunctive syllogism
1 _  e+ ?- c6 r  s8 {1 i~(P & Q), 取得 P  所以 ~Q
# h4 s' v# m% _% F' k8 E: s~(P & Q), 取得 Q  所以 ~P7 b7 u' m6 A9 v

6 ]9 U4 T; m2 PHypothetical syllogism8 r4 H( x1 S; P7 h: W' N
P --> Q, 取得 Q --> R  所以 P --> R
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De Morgan's theorem# j& A' d  h( m0 X
~(P & Q)  所以 ~P or ~Q
7 x" d' A6 ^# I0 H: q5 w5 _~(P or Q)  所以 ~P & ~Q