trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
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4 X) ]4 b: }" k! C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:
6 }+ V( J' b; [0 ?. w" \3 T' E: C8 ?: \1 Q

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! O) F. R* @; D8 _; r9 |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:' W! t0 B! j# V1 U  V

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0 }: J" _- ~' m* h; Y8 ~睇晒李天命都只得7分..............

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8 c0 \0 c" _0 N$ ~7 S  t" M0 b7 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。* {# _) t- h4 u* r9 w5 q

' L2 ^; O9 M$ ~, \) efirst time do it...not a bad grade3 A2 o6 n# b5 f. u

, N; S! a% L% E) \, u% r[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens; X) M8 S& w" e
P --> Q, 因為 P  所以 Q# I1 M3 X! `( a# U, w$ A

0 z2 W# U2 P2 ~" p# F# IModus tollendo tollens
6 Y( w4 B: [' r9 a5 Z- [9 HP --> Q, 取得 ~P  所以 ~Q& R) @" _: _, B0 K8 `. G  `+ C
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Disjunctive syllogism7 M+ ?9 |7 W+ E) }- B* L# r' b! W
P or Q, 取得 ~P  所以 Q
- q! x6 N( i$ a1 K5 J; oP or Q, 取得 ~Q  所以 P
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Conjunctive syllogism
8 P3 |" U; h: u" Q$ N~(P & Q), 取得 P  所以 ~Q5 ]% x7 E+ S( A! W- E' g. F. M, b: b
~(P & Q), 取得 Q  所以 ~P
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/ T, I$ k- I$ X/ u( dHypothetical syllogism
5 r  `. T& z% I" L; o  r/ |P --> Q, 取得 Q --> R  所以 P --> R# e# z4 q" w! e( d  G  p5 z. [+ t
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De Morgan's theorem) R) _4 U# q% m: R
~(P & Q)  所以 ~P or ~Q
, d! r; I# D+ \; z+ W- m% ~~(P or Q)  所以 ~P & ~Q