trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:; R9 q% e) C3 Q" ]+ C- D

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* _, \' d9 s3 [( b+ i1 K! j6 ~2 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:" Z- l! `6 i: p$ R1 ]& `
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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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7 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。# `/ `. N9 w* n
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first time do it...not a bad grade- ]; {# T& ?9 {
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[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
8 j2 X/ U) F( z: B' TP --> Q, 因為 P  所以 Q' t2 f' I( r+ e) V

  Z7 J& F2 e: z# M* w# W* d, q6 xModus tollendo tollens7 o: Y6 N" R7 G" ?0 b5 ?) O4 b! \
P --> Q, 取得 ~P  所以 ~Q" x) w8 R; t5 J: [3 B* _7 L
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Disjunctive syllogism6 O3 V- A2 `; N  H+ m7 Y
P or Q, 取得 ~P  所以 Q) \9 d$ e0 E/ t/ r5 L: }, t
P or Q, 取得 ~Q  所以 P
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" b  S; f  C) n/ NConjunctive syllogism
( u; j( i: l  A7 V~(P & Q), 取得 P  所以 ~Q
' K: m0 s; y$ `4 B~(P & Q), 取得 Q  所以 ~P
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9 t9 U4 ^) V. c1 a% qHypothetical syllogism
" P& D/ o' {  v  u+ S( F# yP --> Q, 取得 Q --> R  所以 P --> R# K# T( g/ G  ?" _
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De Morgan's theorem
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~(P or Q)  所以 ~P & ~Q