trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
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3 e! g- m: |+ `: g' e" E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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$ Q! L* L$ P% W1 R/ G  w李天命d 書聽聞非常正

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& M# ^2 [7 S, p: j2 _% c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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) V" U9 r. x! Q, e. f2 O4 }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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7 S3 e$ R, @; U3 T4 A2 _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
% G! J+ a2 _% _8 c& u7 HP --> Q, 因為 P  所以 Q# C4 ~! v% X* u8 a
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Modus tollendo tollens
1 j5 ]' _" n+ t) Z( B' D  iP --> Q, 取得 ~P  所以 ~Q
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Disjunctive syllogism) e9 H- R1 Y$ g+ S7 ~$ J6 f7 L
P or Q, 取得 ~P  所以 Q, I; j  _+ H. b) I/ U
P or Q, 取得 ~Q  所以 P
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0 b" G6 ]2 `" MConjunctive syllogism2 S; N8 i1 x( R$ z/ e8 Y( y
~(P & Q), 取得 P  所以 ~Q
% K- R: r5 L" N( ]4 e# _~(P & Q), 取得 Q  所以 ~P
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5 G5 w9 ~; K& a" P7 N9 |: GHypothetical syllogism
0 f6 a, h, @- ~  O' k9 |+ AP --> Q, 取得 Q --> R  所以 P --> R
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5 z, [5 f5 Q+ y. j; H5 |# b8 {# c" [De Morgan's theorem. p8 A: x# z- f7 q/ \6 E2 B. X
~(P & Q)  所以 ~P or ~Q
& M/ o( Y% f: Q~(P or Q)  所以 ~P & ~Q