trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
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, z$ U( x$ y* y2 m, Y, y2 m  @7 K, f咪就係話你醒過頭,所以吾會明其他人吾明D咩囉

9 w+ a1 J/ W  C. p: M: X5 W$ D6 J

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guswan

Originally posted by trista_cheong at 2006-10-18 16:10:
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7 R$ s9 f8 U7 t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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( F% w9 R. O$ `& ]8 k  n. c6 u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。
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1 r2 i0 a/ U+ d2 I1 Z2 \$ ^: q  D9 Jfirst time do it...not a bad grade
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( i" g# V  ^9 ]- C/ y1 ~) o[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
+ g) m% c6 ?- S3 ~P --> Q, 因為 P  所以 Q
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Modus tollendo tollens
/ g6 C$ s- H0 K, N4 e, z( o5 SP --> Q, 取得 ~P  所以 ~Q
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Disjunctive syllogism2 E1 ?1 i  }3 W- c0 S" m" s: {1 U
P or Q, 取得 ~P  所以 Q9 ^" {7 r- t8 a: O- K( u" ^
P or Q, 取得 ~Q  所以 P
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4 @+ V' r3 v8 FConjunctive syllogism
" y+ K4 A- B! x2 }/ K8 A6 _~(P & Q), 取得 P  所以 ~Q
. x) x: P% b# c( M~(P & Q), 取得 Q  所以 ~P
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& {, r( `! k$ a% k7 n4 q8 K- [Hypothetical syllogism
' s% a+ m" T1 E% Y/ |9 B" N; PP --> Q, 取得 Q --> R  所以 P --> R
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De Morgan's theorem
" Y, w( n% c& D- M. E~(P & Q)  所以 ~P or ~Q
2 @# _9 `0 t7 @! n* O8 g* |~(P or Q)  所以 ~P & ~Q