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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8 P. {& t& E" r7 F" n, X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:/ U7 R% ]/ H& k. X0 w" R& F
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" J9 \6 f5 \  X2 A" |# |睇晒李天命都只得7分..............

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8 M4 c$ ~4 w: ^1 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。( ?  a3 ~1 T+ l! b
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first time do it...not a bad grade
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) P: `2 J; u4 r% |+ A4 c[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens- J" o5 N) f5 W* I: L
P --> Q, 因為 P  所以 Q
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Modus tollendo tollens) _% B/ ^% `4 M. A
P --> Q, 取得 ~P  所以 ~Q
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" C, y  z9 |0 b" e0 S; |& H; JDisjunctive syllogism2 \& R; h8 B, k0 s' c! l7 k
P or Q, 取得 ~P  所以 Q
# L8 F  t$ _5 _P or Q, 取得 ~Q  所以 P
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0 P5 n+ A' ~+ N" H5 O. E1 qConjunctive syllogism
6 y+ T8 B: C, }- f~(P & Q), 取得 P  所以 ~Q
* O6 x- T6 R! d" U~(P & Q), 取得 Q  所以 ~P% ], r, G! a4 p% m

  }2 ^! q4 b; |* M: iHypothetical syllogism
, N1 Y! L# r) z) _! S9 _  lP --> Q, 取得 Q --> R  所以 P --> R( f  u1 v. ~4 V. t2 e- K

" v- F6 ?+ A; x3 ^1 RDe Morgan's theorem
* d" B" b, }+ u~(P & Q)  所以 ~P or ~Q- S) V$ g9 _& C" X' G* T% S% e  f
~(P or Q)  所以 ~P & ~Q