trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:; z2 U, x8 h, p7 c6 d+ P+ h- y
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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:
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李天命d 書聽聞非常正

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) C; @8 q. B3 ~/ e: P0 S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:7 _! e8 |! {  s
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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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first time do it...not a bad grade5 Z' K3 \; L' u  t
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[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens: i) K5 Q' U) p
P --> Q, 因為 P  所以 Q
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Modus tollendo tollens6 U3 L, x; e) l
P --> Q, 取得 ~P  所以 ~Q  _; L( r4 h3 h* `% h! _. F

4 ~0 K4 S, F3 JDisjunctive syllogism3 a6 p* y+ W# b& J" i9 H' i7 L
P or Q, 取得 ~P  所以 Q
! }2 H, u, k- G) W6 QP or Q, 取得 ~Q  所以 P
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Conjunctive syllogism' Z. l( Z/ i* a# Z  {  i* ]. T/ l
~(P & Q), 取得 P  所以 ~Q, I3 ^& V  o/ N6 x/ k( Y
~(P & Q), 取得 Q  所以 ~P
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! P  ]- F8 m8 g7 }. v/ b( uHypothetical syllogism
) j4 x0 d$ {& `P --> Q, 取得 Q --> R  所以 P --> R/ \( e% h% N0 p  i! M

4 W, B7 W- q2 G5 c1 V. r: f. }2 _De Morgan's theorem  Y/ y/ g. Q& M1 D7 N; f
~(P & Q)  所以 ~P or ~Q# p3 c. [) l8 E# @( p3 K
~(P or Q)  所以 ~P & ~Q