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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  q: {" m* \2 T; g& k; ]  X/ z................................

guswan

Originally posted by trista_cheong at 2006-10-18 16:10:3 j) P/ X: ~/ ^, H
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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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9 p7 F0 J  b# x1 O% h7 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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% A) n/ Q( ~! N  a, [8 f  efirst time do it...not a bad grade
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: a% H* n: j! b[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens3 U* S/ `6 y1 q0 P8 L# Z; j
P --> Q, 因為 P  所以 Q0 d, A! s  ^3 J5 f
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Modus tollendo tollens$ F, X2 H, f5 a7 U+ C
P --> Q, 取得 ~P  所以 ~Q
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! Q  b8 }, w3 i: @- E) w. mDisjunctive syllogism
9 z1 w& o5 N* h. l( bP or Q, 取得 ~P  所以 Q
. b# v0 g  y7 aP or Q, 取得 ~Q  所以 P5 l: G7 }* `# W9 c# t4 O) Y5 Q" ^; h7 Y4 Q
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Conjunctive syllogism% {8 L% \' @2 f- B0 s0 e8 R
~(P & Q), 取得 P  所以 ~Q2 }( d) z1 G4 B8 g
~(P & Q), 取得 Q  所以 ~P
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8 u7 N# P6 m3 T4 Q1 e- [  FHypothetical syllogism7 W" \9 i/ A+ R0 S7 ^
P --> Q, 取得 Q --> R  所以 P --> R8 l9 W- j1 s, _, g

( E& q, z2 p6 k1 ?6 K$ sDe Morgan's theorem1 k4 k5 ~4 \2 B
~(P & Q)  所以 ~P or ~Q
  z3 q9 R6 D, Y9 Y~(P or Q)  所以 ~P & ~Q