trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
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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 16:10:6 m* r% |! L8 e1 M

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* v  d* ?0 N: e7 |6 R李天命d 書聽聞非常正

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) y6 r1 O1 w6 W. T* K, y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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& I# u, c- ^1 x8 m7 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。0 e$ \3 f# |; m6 T9 m

5 v! J' L3 f  p5 }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# ]6 q6 Z$ d. h
P --> Q, 因為 P  所以 Q/ R/ l( W. w6 ?4 M, ~7 l
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Modus tollendo tollens
0 t" J* M5 u1 ?& zP --> Q, 取得 ~P  所以 ~Q: C  |0 ~4 J0 K

( r& p6 z3 W' _1 ~$ d& d9 E. h3 [Disjunctive syllogism; t0 A& H" {6 k! x: h
P or Q, 取得 ~P  所以 Q
- Y+ ^. \! W5 j. K/ OP or Q, 取得 ~Q  所以 P
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Conjunctive syllogism
- b; O4 _8 G( q! ~3 N( p7 F~(P & Q), 取得 P  所以 ~Q0 ?" z, Q3 Y, P
~(P & Q), 取得 Q  所以 ~P5 N6 b) m% _, p5 [, Z8 V

4 N% q: |9 c' A( P) tHypothetical syllogism
+ A; W' V- l: r6 B' Q. AP --> Q, 取得 Q --> R  所以 P --> R
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De Morgan's theorem$ m  ^! o! w6 {2 e  o; u' `6 S
~(P & Q)  所以 ~P or ~Q
( n8 Z2 A5 h) s, L0 B( C# v- {~(P or Q)  所以 ~P & ~Q