trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:6 m9 {1 k7 W1 q

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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:
+ N5 P) N: R$ b% F' q7 J+ s# p( c# l5 P+ S+ i/ W

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) `0 u, `" N) S& ^9 O6 L李天命d 書聽聞非常正

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6 J7 T$ Y5 {7 s: v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:! ]; e$ k% c: L3 X( {/ J
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5 P0 z  k8 G3 `1 o' Q+ g睇晒李天命都只得7分..............

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0 H& A8 |5 h6 x% n$ L) }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。" }+ p" f" ~8 x9 B, N$ ?6 R6 @& h

! b) H; M& w, Z) n2 s* [* _1 U  V( R: }first time do it...not a bad grade% W& n  O4 V2 u' {9 a  U1 I( y* L3 o

% ]; U5 ?3 \: Z" F: g: |[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
- W" V2 O( j8 V% {% JP --> Q, 因為 P  所以 Q9 t) H2 C, M; I+ o
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Modus tollendo tollens
& I/ d7 k6 M2 O" I  I: Q* I& }P --> Q, 取得 ~P  所以 ~Q
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Disjunctive syllogism
6 G7 f/ B3 y! S0 x, _P or Q, 取得 ~P  所以 Q4 `1 k4 i4 U2 d! P$ a; {  [
P or Q, 取得 ~Q  所以 P1 R, ^9 b6 C7 t/ R- |+ e; I- R
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Conjunctive syllogism' \3 M, U' {9 d- k, m
~(P & Q), 取得 P  所以 ~Q2 {7 d: o% Q- L( p$ F, ^/ A
~(P & Q), 取得 Q  所以 ~P
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- P$ e0 k# a$ b  Z9 e% yHypothetical syllogism
% a$ N9 q; a8 }& g; d+ YP --> Q, 取得 Q --> R  所以 P --> R0 q/ s! y4 C* {- a( {* F2 c- `) u

  N3 ^) r* I" k# r" E) _8 ZDe Morgan's theorem
  N0 C6 t+ s" s~(P & Q)  所以 ~P or ~Q
: x! }" c! {) H0 {4 w$ Q  G~(P or Q)  所以 ~P & ~Q