trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:; S& o. h- g5 s* f! h$ ?
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8 o% s5 f3 U' l5 a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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+ @2 `6 C( [- M$ b9 \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:
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- j  t9 f  h9 q( e! g睇晒李天命都只得7分..............

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3 `  j4 E. [$ J4 A4 C7 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。( V+ o: e1 |8 }$ S

2 a0 L5 c4 Q8 e7 s% n9 ^# \, ^first time do it...not a bad grade
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[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
! p8 I: f* X! R  xP --> Q, 因為 P  所以 Q1 h/ U3 [/ C3 |* H. I1 u: T4 E3 T$ u
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Modus tollendo tollens
8 c: \; z/ k0 p0 `6 c, a: n5 oP --> Q, 取得 ~P  所以 ~Q
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8 {" R5 c+ h0 _' d" P6 |Disjunctive syllogism/ I' F# G" Q& u* @4 H
P or Q, 取得 ~P  所以 Q
8 T6 C8 }2 [* ^+ N7 K, eP or Q, 取得 ~Q  所以 P! l2 Y$ h  N  a
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Conjunctive syllogism
; J8 [& [% r( ^0 H* z~(P & Q), 取得 P  所以 ~Q9 `8 |. U+ \: R8 Q# a: m# U7 C3 Y
~(P & Q), 取得 Q  所以 ~P+ t( |7 _. {" J# |2 m' L
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Hypothetical syllogism! i" m% h3 s0 z! m
P --> Q, 取得 Q --> R  所以 P --> R9 R" D! ]4 C( ~1 v9 l

* ?7 S+ a# G- L- s% tDe Morgan's theorem0 W' V1 V9 p4 P3 B& n: j3 r
~(P & Q)  所以 ~P or ~Q
* W2 B# Y2 A, a4 ~, K+ E5 f/ E~(P or Q)  所以 ~P & ~Q