trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
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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:& B5 |3 Q- n4 L% n9 F2 H3 R

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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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. N* b( ?+ j+ l+ w7 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。1 X$ P/ L5 B3 Z# W( ]4 T
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first time do it...not a bad grade
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1 b# {, ^, G# a[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens- O9 x, c) `0 g4 q# q5 P0 I9 I
P --> Q, 因為 P  所以 Q
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Modus tollendo tollens8 G& ?0 b& {; O; y4 x
P --> Q, 取得 ~P  所以 ~Q
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( F* K! |; N$ i- b- `8 ?1 b/ JDisjunctive syllogism% b" U8 B$ f+ X% D9 h
P or Q, 取得 ~P  所以 Q. n0 P' B3 h5 }7 S, s
P or Q, 取得 ~Q  所以 P
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Conjunctive syllogism
8 b+ s' K) F- c$ l, t~(P & Q), 取得 P  所以 ~Q
. e: E) A0 n' p2 ]~(P & Q), 取得 Q  所以 ~P4 W! A% A# I& l( _. U

" [! w7 i+ y+ l3 T7 C9 b4 dHypothetical syllogism
8 t& q/ e2 S: j* lP --> Q, 取得 Q --> R  所以 P --> R
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; ~" L6 I' X' P3 ~% C# eDe Morgan's theorem
) X* J; {  ~% R9 w( s. T- w~(P & Q)  所以 ~P or ~Q
8 |* Y! `- [" k; y# V; c/ M7 W~(P or Q)  所以 ~P & ~Q