trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:2 g2 y# U+ M; P% o
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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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; g% {5 I: @! T! A" }9 _. p9 B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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睇晒李天命都只得7分..............

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) V5 x& M' e* E: E! s9 @0 o7 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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! v+ Z6 l! R+ U8 `+ j- Ifirst time do it...not a bad grade2 G1 ?" n1 Z3 p# s
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[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
( ]( w7 S9 |+ ?P --> Q, 因為 P  所以 Q+ V6 S5 C- w% M$ x# ]+ s4 ~

7 H7 F9 q1 Y, M- u/ ^5 ]Modus tollendo tollens, t+ |' \, M& [0 i' C7 Z: @
P --> Q, 取得 ~P  所以 ~Q
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Disjunctive syllogism
* o+ z% \, n  S; q" mP or Q, 取得 ~P  所以 Q
/ R/ m! E  Q/ n( u! OP or Q, 取得 ~Q  所以 P
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Conjunctive syllogism
4 |6 h- L8 Q- s/ y4 D~(P & Q), 取得 P  所以 ~Q
8 @8 j$ P! j& N~(P & Q), 取得 Q  所以 ~P
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( V) {1 U+ C& a9 }4 d+ wHypothetical syllogism5 V8 Y: ^7 t  h. F9 A1 _. s* a
P --> Q, 取得 Q --> R  所以 P --> R
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$ A& ^! B% L$ u) ]; YDe Morgan's theorem! V( w; y' D9 w' \0 K9 e
~(P & Q)  所以 ~P or ~Q
' N- O* y( a# b% K: N1 ^+ O# |& L~(P or Q)  所以 ~P & ~Q