trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:* N. J) X  [) J3 Z
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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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% t  A/ U% E- R1 @* _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:- W4 m; ]- [" I# p/ q

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睇晒李天命都只得7分..............

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" k+ D( B1 m+ I) I7 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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* x9 u) ]0 T: G6 g1 Y, e% Dfirst 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
8 o6 x# a# \8 bP --> Q, 因為 P  所以 Q  v5 p1 [& b) k2 y* d: Q
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Modus tollendo tollens
, e7 ~8 I/ Z+ S0 `/ S% e2 wP --> Q, 取得 ~P  所以 ~Q
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Disjunctive syllogism
1 p, k8 I6 V, g' H" M  \P or Q, 取得 ~P  所以 Q
" W& L# L/ K. r# M: l  s9 t( mP or Q, 取得 ~Q  所以 P
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* w4 j* Z4 O  W- ^# S1 CConjunctive syllogism
& }* x' z3 o" |( v# u~(P & Q), 取得 P  所以 ~Q
( t4 @) ~3 Z5 d8 [' W* u5 w, G~(P & Q), 取得 Q  所以 ~P
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Hypothetical syllogism
+ y9 D, F8 Q. k9 u; s: sP --> Q, 取得 Q --> R  所以 P --> R
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De Morgan's theorem
( A5 o; I& t& V- G, {2 ^0 x/ C) g~(P & Q)  所以 ~P or ~Q2 i; o) a' F2 z" j% R3 i
~(P or Q)  所以 ~P & ~Q