trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
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" Z' z; u( i' q+ t* n( F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:$ J5 l9 m' F0 a2 a

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李天命d 書聽聞非常正

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, A# s$ W! C; l" d. [! Z7 O" A* L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:& Z, ~" }) j! R# z! V
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; c& Y9 Q% N# R; K' R睇晒李天命都只得7分..............

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; d) m& ]4 w$ P9 X3 A( d" Z7 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。/ ]5 j2 Z1 o* z6 h) t. [

  Q; S8 Y" W/ ?; C( lfirst time do it...not a bad grade
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[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
% F1 H  j/ q0 I/ ]+ y- |6 OP --> Q, 因為 P  所以 Q
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Modus tollendo tollens9 Y' S! \4 ~  }" B8 l2 {3 I' c
P --> Q, 取得 ~P  所以 ~Q, X0 q9 [( }" z( }; u& c9 w& P

6 x, X/ M3 q: _) D9 e% p9 E" yDisjunctive syllogism
0 D1 M$ Z- |: ^: u( i6 uP or Q, 取得 ~P  所以 Q2 D; }9 g0 `) [6 X) p' X5 z! U
P or Q, 取得 ~Q  所以 P
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4 G- I2 i$ K% R* K  n. a, M) PConjunctive syllogism
8 U5 \: H* K2 _8 _: E~(P & Q), 取得 P  所以 ~Q
  h+ {5 |  ~1 Q+ k~(P & Q), 取得 Q  所以 ~P
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: D# h" f2 Q& s- k8 C0 [" FHypothetical syllogism
) m4 L# R9 ]7 g6 s3 zP --> Q, 取得 Q --> R  所以 P --> R4 b/ }7 y  K( L: d- J( Q
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De Morgan's theorem  G, G. u1 a7 F7 ~1 u
~(P & Q)  所以 ~P or ~Q
5 M+ }, @! a7 ]/ p! M% Y$ g. D~(P or Q)  所以 ~P & ~Q