trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:/ |3 c% ^0 l& o, k8 ^

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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:# \$ u( W( F  {& R7 [

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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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睇晒李天命都只得7分..............

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8 c. U9 g; @+ C7 E7 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 grade1 ]! N9 X- g# n7 p

1 I7 n- ?1 Q$ I# z- j1 N[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
+ W* k: |+ G3 C# FP --> Q, 因為 P  所以 Q+ Q( }# N2 W% r

- a( n& Q- _4 i1 ^% l# S8 i) E7 NModus tollendo tollens4 Z0 _, \' H5 L9 o
P --> Q, 取得 ~P  所以 ~Q
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9 ?4 Y# s; ]/ c4 h' l! P1 T! u; k: oDisjunctive syllogism; R) E$ ~. `. ^+ r' {5 \9 _/ y
P or Q, 取得 ~P  所以 Q
/ h3 `# f( S9 |! r/ _, C% A2 e. ?1 yP or Q, 取得 ~Q  所以 P
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Conjunctive syllogism; B6 B2 A5 t3 @0 F; v
~(P & Q), 取得 P  所以 ~Q  w, j! t% v3 D6 `1 w/ P. Y/ E( }! R
~(P & Q), 取得 Q  所以 ~P
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Hypothetical syllogism' `& Z( J$ C& v  Z; B( S
P --> Q, 取得 Q --> R  所以 P --> R
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5 [9 u- S7 K* a1 bDe Morgan's theorem
9 i. ~$ W9 _) Y1 s/ X. K~(P & Q)  所以 ~P or ~Q
" W! L" h* S( Z) S0 }6 P6 M~(P or Q)  所以 ~P & ~Q