trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
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- K" Z7 R. B+ W. G. t2 d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:
% Z. ~3 G  g( l' k4 S' X8 Z. ?7 h. y9 v$ m- r8 k! a' b

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/ ]  b& \! u# e# |3 h李天命d 書聽聞非常正

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( y; N7 C: d9 E2 }" q6 o" F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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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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! N1 u% W. }+ Q9 h9 F: }: e5 bfirst time do it...not a bad grade& a- E7 P. `8 ~# E$ U

; i! x: r; V- r2 q# U+ [  N# v/ i7 D[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
$ c1 N0 s( B: d$ HP --> Q, 因為 P  所以 Q" y! z: r8 o- O+ ~$ K5 ?, m  q% N) _

9 w6 |: }% d2 b  I+ v. bModus tollendo tollens6 j% S6 g- o. o  r
P --> Q, 取得 ~P  所以 ~Q6 t) G8 \2 H  G* R% I) E9 \

, n% R" F( l+ A& y4 ~Disjunctive syllogism# I) Z9 M# \. k! ]0 ?
P or Q, 取得 ~P  所以 Q
9 V; S& S5 W9 ?+ A4 bP or Q, 取得 ~Q  所以 P* d$ o2 W8 @# h, I4 o
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Conjunctive syllogism7 L3 H  j! \- O& v5 C, H
~(P & Q), 取得 P  所以 ~Q
3 Y- v* I  M+ \& a~(P & Q), 取得 Q  所以 ~P+ _# k' X  E' A

, N: L" Y7 P' i: Z; _Hypothetical syllogism; j- f% G1 ]$ j( c% W
P --> Q, 取得 Q --> R  所以 P --> R% Q, z& H( M2 n4 I8 b9 {2 v

9 p: H2 ]% a4 F* E6 O" f8 A( \De Morgan's theorem
  V3 a* ^1 R; X- y& M+ g~(P & Q)  所以 ~P or ~Q  D! ^; ^0 ~6 F% P3 H
~(P or Q)  所以 ~P & ~Q