trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
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' o. n! q" i$ ?( m% q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:. |2 t+ M5 |7 ~) y4 t0 p$ V9 ~: Q
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李天命d 書聽聞非常正

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, E) F, h6 V$ i; T3 l6 I; @. B# y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:* T7 D  j, l7 d2 g( X: z6 [
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1 n6 F1 w2 z" O* `2 [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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, |' w& u! ?5 ~( n; j0 Z- hfirst time do it...not a bad grade, r0 T; B  m: A: L

6 `, D' i2 z  R' E$ G7 j[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
5 Z2 ^1 O* R# C/ q. z4 d1 m0 _8 B( |P --> Q, 因為 P  所以 Q
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+ e. Z; C* Y. [Modus tollendo tollens% d. t/ K% F/ N* A
P --> Q, 取得 ~P  所以 ~Q
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% `+ D8 {/ b% o4 w+ s7 ~Disjunctive syllogism
) e5 u  q. }* w: C3 T$ UP or Q, 取得 ~P  所以 Q" @% e  o, s. U: j" ~
P or Q, 取得 ~Q  所以 P! f  T+ D: x! N( ~3 C/ h

' Y* g  f3 ^+ b" B$ DConjunctive syllogism. S* m, d& I( ]# ?, T
~(P & Q), 取得 P  所以 ~Q6 J2 _2 ^& Z0 T* A* h
~(P & Q), 取得 Q  所以 ~P
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( @" {& I% v2 ]9 D' pHypothetical syllogism
8 P8 k1 {# z- h" S1 x3 |# F9 LP --> Q, 取得 Q --> R  所以 P --> R
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2 ?* j5 y$ k# TDe Morgan's theorem
" J) S2 C7 X4 A6 r~(P & Q)  所以 ~P or ~Q4 M0 H5 T; y# F+ }2 c/ i
~(P or Q)  所以 ~P & ~Q