trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:( i" s# J$ F( J; a! [  @
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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 16:10:0 p/ E, j6 m+ I( K
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; U2 b* a- X" q" ^# t李天命d 書聽聞非常正

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! O7 k. a( y0 d" E( m- b4 ?; x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。8 t2 g) U, R) e# [, Z" y

* I2 d5 T) j, w% _$ i# g& Ufirst time do it...not a bad grade2 x9 l) n0 R$ U; G( w

( m1 A( b( s! W. _[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens' ^8 M5 ?0 A8 P( [( a* y. ?9 }
P --> Q, 因為 P  所以 Q6 k1 o, y7 l, G% G5 O7 A& \4 C
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Modus tollendo tollens2 f9 G1 S  s4 K* U. G
P --> Q, 取得 ~P  所以 ~Q
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Disjunctive syllogism
, m+ J7 D8 V, L7 ?P or Q, 取得 ~P  所以 Q  ^# k! C, z* g. ~8 I0 q
P or Q, 取得 ~Q  所以 P9 M6 F4 t; v' z$ r* A0 ^6 `  G$ W
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Conjunctive syllogism, z8 ]; }6 w9 ?' y7 C
~(P & Q), 取得 P  所以 ~Q" `6 q/ o$ r' }/ b; S
~(P & Q), 取得 Q  所以 ~P
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Hypothetical syllogism
& {( G' j2 Y( W" `& Z7 I  KP --> Q, 取得 Q --> R  所以 P --> R( k, C6 L. x0 F+ w( _% G
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De Morgan's theorem, B2 J+ }0 m6 i6 H$ L! M. S5 ]5 }
~(P & Q)  所以 ~P or ~Q
  |( B. t. a2 I( z& |~(P or Q)  所以 ~P & ~Q