trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
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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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9 A% _- w! i! _李天命d 書聽聞非常正

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% ]- [7 u" s$ ?. }" @5 F7 u+ ?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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" n9 \* b- w+ Y0 |$ C; g: z  V7 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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first 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 ponens3 h# h0 e5 ?+ L
P --> Q, 因為 P  所以 Q
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Modus tollendo tollens% X5 y1 R6 f; A( `& C+ _' o' C
P --> Q, 取得 ~P  所以 ~Q: f5 c! Z" \+ S* Z: K5 C9 @
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Disjunctive syllogism
4 a* I7 ]* d% h' o" q" BP or Q, 取得 ~P  所以 Q+ S2 G" B, |7 k3 y, `* i3 `2 X3 g5 \
P or Q, 取得 ~Q  所以 P2 J+ O3 {/ n; y; x, J) i0 s. z
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Conjunctive syllogism7 Z6 S8 V% X2 y, `6 t: w$ {8 g
~(P & Q), 取得 P  所以 ~Q
; ?4 a' w* P: \# G0 B. V# h8 v. h~(P & Q), 取得 Q  所以 ~P
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Hypothetical syllogism
) I/ V" J' X( d8 S  u) n$ qP --> Q, 取得 Q --> R  所以 P --> R
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De Morgan's theorem/ C) P! n. H/ l% a
~(P & Q)  所以 ~P or ~Q
, U3 b/ D' Q) u' G~(P or Q)  所以 ~P & ~Q