trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:- n' q2 D  A; ?  s' n8 }. I6 h
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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 16:10:6 o, n8 ]* h2 ~# g: W9 D
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7 V4 J) O/ f: w& k李天命d 書聽聞非常正

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" @) J: x$ k4 ~$ u; X2 @& |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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. r5 L' z' u, V- G9 A2 ?# f! N7 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。; S4 M* Y/ E8 d: `. b' ^

6 Z( J- a9 e1 N& m* J  [' Ofirst time do it...not a bad grade9 ^5 [2 X# p( G* a( z) `9 z- q

6 Z8 f0 n$ z8 s7 _* U9 o6 Y[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens: c. [" \8 |& E% i
P --> Q, 因為 P  所以 Q
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( D- L# t8 _6 v5 x9 e9 }Modus tollendo tollens
+ _/ b8 X9 H" }; H5 lP --> Q, 取得 ~P  所以 ~Q
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Disjunctive syllogism
  y7 k$ I! W2 o  AP or Q, 取得 ~P  所以 Q
8 p. K* R( S6 q  l, LP or Q, 取得 ~Q  所以 P
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/ r7 g% m$ F) s, cConjunctive syllogism, v7 n3 o% P3 s, l
~(P & Q), 取得 P  所以 ~Q3 k- z4 H  j( X! [
~(P & Q), 取得 Q  所以 ~P  t+ B  e. S4 l2 }0 {1 ?

% i0 g; o) f0 N! r/ wHypothetical syllogism
4 S8 l- Q6 g1 M& H. hP --> Q, 取得 Q --> R  所以 P --> R
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" \5 O# _, m8 d' R8 P# c3 d# x6 UDe Morgan's theorem8 K/ \: _3 z% W/ m4 z- u( W
~(P & Q)  所以 ~P or ~Q" ]! Q& O9 q( N- B" @8 W
~(P or Q)  所以 ~P & ~Q