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:
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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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; P/ z. G3 Y% X5 o2 k% g睇晒李天命都只得7分..............

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7 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。8 ]- \) c! V) `1 I3 y; g- c, ]
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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# O3 e; y0 \/ g$ n( b. q
P --> Q, 因為 P  所以 Q
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7 W& |/ |& q: B. C* O2 ?/ Y3 nModus tollendo tollens
: c& O7 R$ x4 MP --> Q, 取得 ~P  所以 ~Q
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1 Q# g+ y* ?* F0 P6 B$ _3 IDisjunctive syllogism
# \$ a3 l. l; \" _; Z" Q; ~8 VP or Q, 取得 ~P  所以 Q$ u. V& q8 l* g: e3 v+ ?
P or Q, 取得 ~Q  所以 P
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( f) E! v% V* VConjunctive syllogism
) X. i; V2 W& h( A+ V1 \3 [- @~(P & Q), 取得 P  所以 ~Q
. q) e' Q* ~) e' e1 d; P~(P & Q), 取得 Q  所以 ~P
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Hypothetical syllogism
- Z3 s/ E3 S* U4 {P --> Q, 取得 Q --> R  所以 P --> R* I4 P6 k$ F/ K% T

5 G: G% x$ `8 W  w" I& k6 YDe Morgan's theorem1 U0 Z; g9 n. L% w
~(P & Q)  所以 ~P or ~Q! I3 f. t9 ]; K+ ~& z
~(P or Q)  所以 ~P & ~Q