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:+ ?+ r. q3 m+ p" j6 N9 J$ q: t
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李天命d 書聽聞非常正

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- Z2 }% H: _) y  J5 V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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/ S" T3 x) }$ N/ n2 q* y5 ^7 R7 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
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+ A& W; }  t! V[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens! c2 l, U( X- V1 W  i$ q! {
P --> Q, 因為 P  所以 Q
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Modus tollendo tollens
) [: B3 q5 V' c% g. I1 lP --> Q, 取得 ~P  所以 ~Q) D) F7 I% n, i- E# K" |- y
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Disjunctive syllogism% P& n" C% [0 y
P or Q, 取得 ~P  所以 Q, u6 Z- y8 u; `8 S8 Q
P or Q, 取得 ~Q  所以 P
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Conjunctive syllogism% v' v7 D. h# Q7 d
~(P & Q), 取得 P  所以 ~Q
$ M: s* d: o- d% @8 Q/ p. I% E~(P & Q), 取得 Q  所以 ~P
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Hypothetical syllogism
& X8 |; E+ o' @+ y# k/ O) ?P --> Q, 取得 Q --> R  所以 P --> R
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3 z8 q6 S* @1 p1 C- d' ^$ {' p2 ?/ XDe Morgan's theorem
) T5 u+ z" e, s7 _+ D/ ?~(P & Q)  所以 ~P or ~Q
1 W% Y: d3 V4 F/ x  @' _7 `~(P or Q)  所以 ~P & ~Q