trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:. E8 N+ _4 p% j$ t$ m1 Y! E

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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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" d% u8 C4 u  e% C  g3 B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:7 C' I* h' W7 k7 D* y/ {+ }
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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。
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first time do it...not a bad grade' h4 R, e+ @/ U7 X' ?6 l

1 {$ H$ K3 _: c9 i+ @, U5 F[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
" c6 X1 c+ K7 ~P --> Q, 因為 P  所以 Q% y" n. F' o. S, O
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Modus tollendo tollens
& ~5 b6 @! v) m  A& sP --> Q, 取得 ~P  所以 ~Q0 ^' \& l4 q) u9 z% }

7 \3 g2 X: m* G% [% tDisjunctive syllogism
, R/ N1 Z+ _2 n- s1 Z1 DP or Q, 取得 ~P  所以 Q& H/ K1 C" m8 F$ E8 v( @
P or Q, 取得 ~Q  所以 P
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Conjunctive syllogism
( N( p& w5 _' _. b% M~(P & Q), 取得 P  所以 ~Q# a: Q+ J. y* Y, N% l
~(P & Q), 取得 Q  所以 ~P
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Hypothetical syllogism
. Q: K/ @% m+ }0 ?  PP --> Q, 取得 Q --> R  所以 P --> R
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De Morgan's theorem  \5 H1 a& m/ e
~(P & Q)  所以 ~P or ~Q1 ~8 a8 D" b' T
~(P or Q)  所以 ~P & ~Q