trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
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7 j8 `3 [" ?) Z) R& R, P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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( k& X* n1 A7 k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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' ^. Y. T: K8 b6 k睇晒李天命都只得7分..............

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" I& P, {6 U$ I7 k4 F% a* t, A% c7 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 ponens: t: t+ S+ b5 j( _' `7 {% Z0 [) {
P --> Q, 因為 P  所以 Q7 n* f: m2 i4 k' w) N* y1 p

' k7 K" _" x  R* SModus tollendo tollens; Z# E- C1 a+ _* T+ r) F
P --> Q, 取得 ~P  所以 ~Q1 b# x- n. Q, i/ o) A! g" h
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Disjunctive syllogism
6 J( {6 M  x. V5 J) X8 y2 k) jP or Q, 取得 ~P  所以 Q
# t3 d/ r6 \8 q7 AP or Q, 取得 ~Q  所以 P
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Conjunctive syllogism, N. @4 ~. M3 @7 y1 O- ?. e
~(P & Q), 取得 P  所以 ~Q( i3 Q' N( V" F6 G' w7 y2 n4 n
~(P & Q), 取得 Q  所以 ~P" w; Y: Q" s& j, ]$ S' p: e
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Hypothetical syllogism' w- y/ ^4 X% e: C. Q9 y$ M  K
P --> Q, 取得 Q --> R  所以 P --> R
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( j$ M- S5 X: ~- C! P! qDe Morgan's theorem) W( m8 h2 M7 [: }( r
~(P & Q)  所以 ~P or ~Q
4 d$ m/ N: v! ]+ |~(P or Q)  所以 ~P & ~Q