trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:! y/ {4 t; u" t+ u) b  S
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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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& W( Y; X: x5 h4 \8 I李天命d 書聽聞非常正

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/ n  g  F" Z- A3 ~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:: `  _; {* R+ h
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睇晒李天命都只得7分..............

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# {* c! q) {( A3 y8 q5 p( q$ T+ x7 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。9 ]+ z1 d! t( E1 w3 g) q2 _
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first time do it...not a bad grade
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+ n$ m$ J' x4 |" A) O[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
0 K* e% c3 A* j  EP --> Q, 因為 P  所以 Q, v# H$ n6 P! w/ c5 F0 R

; Y5 J+ Y1 ], f3 G2 t$ j: T) O9 KModus tollendo tollens
! v% X5 u6 E) C/ |+ X0 }0 GP --> Q, 取得 ~P  所以 ~Q
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5 [% P% ]% K, U) wDisjunctive syllogism
# W7 y  D( r# @. V8 y  OP or Q, 取得 ~P  所以 Q3 E' L. W' V1 T* a0 V& v
P or Q, 取得 ~Q  所以 P
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Conjunctive syllogism
; O. Z; m* e8 v/ ~' s1 H& H~(P & Q), 取得 P  所以 ~Q* N  r' `; U1 s8 p4 A. B& R9 u
~(P & Q), 取得 Q  所以 ~P
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( c! Z% P3 z/ Z# L+ {! PHypothetical syllogism7 v, ^, P2 o) J, @0 x5 z
P --> Q, 取得 Q --> R  所以 P --> R
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De Morgan's theorem
8 `: E2 W* ^: x~(P & Q)  所以 ~P or ~Q9 T" V* ~& r/ k$ W
~(P or Q)  所以 ~P & ~Q