trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:( G% g( t- _5 z1 S4 {& T. n; _

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, |& e6 ?+ G. c3 ]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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李天命d 書聽聞非常正

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$ D3 y$ p5 F7 d- h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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+ M6 a& v4 Y: X# X& j/ X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。- o% d6 S2 a; V% t$ q0 \4 k
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first time do it...not a bad grade  Y. o4 b$ v' w# [
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[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens6 R; ~. \- ~: V, E' t, D
P --> Q, 因為 P  所以 Q% u$ g% W% H% r# j: a0 f8 l

' b5 a9 P6 ]3 c9 dModus tollendo tollens
; f* q3 T( g& iP --> Q, 取得 ~P  所以 ~Q! T, o5 n) r7 F0 g5 l- @

$ T, H* a1 p  j/ qDisjunctive syllogism
* p* t) ]$ M! s0 E0 Z  O% M! QP or Q, 取得 ~P  所以 Q0 P7 [" G2 G5 w: S
P or Q, 取得 ~Q  所以 P
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3 p1 V) S& A/ S( V* v& {8 NConjunctive syllogism
; I! A8 C$ \$ C~(P & Q), 取得 P  所以 ~Q
0 j/ w. U# s( e% x* x~(P & Q), 取得 Q  所以 ~P
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Hypothetical syllogism$ L+ N: @: R: J, ^
P --> Q, 取得 Q --> R  所以 P --> R. e& i7 d+ M3 c& Q

6 ?7 v, G) Z5 ?6 M9 HDe Morgan's theorem  i5 u$ r- Q' l2 M% A" w& x7 T1 Q
~(P & Q)  所以 ~P or ~Q5 u- f5 e+ p. [- B  u3 x9 D+ `0 f+ h
~(P or Q)  所以 ~P & ~Q