trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
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! [# O2 ~8 L1 V+ t& Y. n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:" J" R+ O; d8 ]

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李天命d 書聽聞非常正

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, `5 e, {. K7 }- U1 N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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5 B" r0 ?4 W; B" U% L4 T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。; z+ @* R0 e1 |4 p
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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
5 f; V0 M0 X0 K1 X1 f9 @( QP --> Q, 因為 P  所以 Q
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Modus tollendo tollens+ V5 U' q4 R( Q. |8 C: T
P --> Q, 取得 ~P  所以 ~Q2 z" q9 s, L6 N( u
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Disjunctive syllogism
. K1 O% y  ?8 j) [7 r9 M  l% mP or Q, 取得 ~P  所以 Q& P3 l* F0 ?: v2 X( _! O
P or Q, 取得 ~Q  所以 P
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# L* y2 q' S/ F+ b8 JConjunctive syllogism6 K8 ~( \0 m* V" n9 `
~(P & Q), 取得 P  所以 ~Q
6 \" C& i: V: @- J2 H1 c4 O7 q~(P & Q), 取得 Q  所以 ~P
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Hypothetical syllogism. Q1 p* @- H4 R: t7 V% L
P --> Q, 取得 Q --> R  所以 P --> R
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De Morgan's theorem
/ ^2 k, {! t  k. N/ z9 `8 b~(P & Q)  所以 ~P or ~Q0 [; O: D2 b. e/ q  W4 @
~(P or Q)  所以 ~P & ~Q