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:! e' W) A: c5 Z" |+ }& |: B4 z
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李天命d 書聽聞非常正

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8 G3 \( W* o! O5 b- x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:( t9 v% R% s7 @( x4 x/ _6 {! P
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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" Q' C0 o, w0 e- w

( b1 O0 A/ t! F9 n8 q* }: X9 X[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
, I7 g' h# |% p1 gP --> Q, 因為 P  所以 Q
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# E# x: \: I+ Q0 ?0 a3 w( GModus tollendo tollens
8 d" f3 O! g2 [9 L' @P --> Q, 取得 ~P  所以 ~Q4 |& L' g4 x  K9 w! a1 T+ y4 Y' \

& E1 _( A) U6 W! `Disjunctive syllogism7 a# C& s( G9 O# f$ n
P or Q, 取得 ~P  所以 Q
0 h& c, l6 C) e* m/ a3 LP or Q, 取得 ~Q  所以 P7 i; p4 v4 ^5 [2 G3 w/ O. b
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Conjunctive syllogism" g7 q9 @! S; l3 [
~(P & Q), 取得 P  所以 ~Q8 k4 l) W3 D" l( X0 @  g( l6 C
~(P & Q), 取得 Q  所以 ~P8 g% q5 N7 d( {: g  ?' {
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Hypothetical syllogism
4 ?! ], k; t5 gP --> Q, 取得 Q --> R  所以 P --> R
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De Morgan's theorem
3 b& I0 ^6 V5 p# U* O! ], p~(P & Q)  所以 ~P or ~Q( h$ z, w9 C) |/ a  H$ s& ]! Z/ K
~(P or Q)  所以 ~P & ~Q