trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:+ p; j2 [% h5 I
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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:
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李天命d 書聽聞非常正

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2 ~+ y. v/ u( X& d6 x8 G$ I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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# y# J# R" w/ F! l, {睇晒李天命都只得7分..............

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5 k1 c, D! _! g3 [% P. T7 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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4 D% G( O; |6 _9 hfirst time do it...not a bad grade
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2 I: \7 o/ ?! C, Y4 ~9 M[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
8 R" v! k/ w0 Y7 U3 }P --> Q, 因為 P  所以 Q& s! ]  O- {. q: {# e# _

- s% Y* @  X. U- x& |Modus tollendo tollens
. Z, T- q$ F. b- Q2 Y! CP --> Q, 取得 ~P  所以 ~Q
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0 a( E1 J" A- r2 hDisjunctive syllogism2 [5 n5 b8 x5 [! R) z
P or Q, 取得 ~P  所以 Q+ E! _1 ^; V9 [- p  u* E/ f
P or Q, 取得 ~Q  所以 P7 r/ U' b7 z$ @( e% H3 C6 p/ ?* G
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Conjunctive syllogism1 ^+ s1 \* R; |& [
~(P & Q), 取得 P  所以 ~Q( J  y+ j8 o7 B' v  M0 ?8 h
~(P & Q), 取得 Q  所以 ~P
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Hypothetical syllogism( s2 H- k; _& g' H3 C
P --> Q, 取得 Q --> R  所以 P --> R
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De Morgan's theorem
5 }% F9 T% N; O) C~(P & Q)  所以 ~P or ~Q
$ g: q2 H* G% L6 U! @4 f: j6 A( E~(P or Q)  所以 ~P & ~Q