trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:& [4 T0 U. v8 \
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8 o3 ?6 L# t# \; p0 W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:: _4 K1 g2 Z$ l6 N- z3 E7 a
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8 \, t& x1 i9 c& e& U# B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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* s6 l/ S7 v9 X: c睇晒李天命都只得7分..............

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! L5 g$ p5 @: N7 c" 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 grade1 i* M6 }& y* Z! e$ R) y
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[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens& X" D% A5 j* \+ P5 I) H: x1 M
P --> Q, 因為 P  所以 Q9 j0 y4 @! z: v8 \7 l  {* Z2 V

1 z! |" W) ?. P! {: v& e* PModus tollendo tollens0 G. U0 M! I& o* ?- b! E
P --> Q, 取得 ~P  所以 ~Q
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  E7 Z- Q% t/ c4 {+ x% b+ ^Disjunctive syllogism
; u4 i5 @) M5 bP or Q, 取得 ~P  所以 Q# g" @1 r7 \/ y' m! E
P or Q, 取得 ~Q  所以 P5 k- U- f) w6 {% G
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Conjunctive syllogism$ c6 n) U5 r/ C1 m; g
~(P & Q), 取得 P  所以 ~Q) i# {& P2 ?7 Z5 ~- V2 ?
~(P & Q), 取得 Q  所以 ~P
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, i2 A4 |/ S; sHypothetical syllogism3 P3 ?: s+ b; W9 f  a9 n+ C% X
P --> Q, 取得 Q --> R  所以 P --> R
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: w5 d+ j9 @5 ?6 l# oDe Morgan's theorem& K. m/ z* Y' K8 p. X2 K
~(P & Q)  所以 ~P or ~Q2 N- x4 k) v5 a, A
~(P or Q)  所以 ~P & ~Q