trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:% x+ h: @0 u: J' T- j9 @- @
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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 16:10:7 a( K4 U2 b9 I3 W; K3 X" e6 P
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+ y! N+ \: k% J4 b9 C: H7 Q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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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。" Z( H) c1 n! g" C

8 o! O0 J. R! |5 dfirst time do it...not a bad grade, r2 V- P) H1 S# S! D. n9 `
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[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
  [5 g5 Z4 p: O# Y  jP --> Q, 因為 P  所以 Q
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Modus tollendo tollens+ I/ E/ w0 n$ N. n" n- D7 a2 K1 H) Z
P --> Q, 取得 ~P  所以 ~Q
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3 p! C. s# S2 w- {% ~- GDisjunctive syllogism3 v7 \. L3 H* G' e2 _0 ^
P or Q, 取得 ~P  所以 Q; N! D# Z( c1 J  R) p  X
P or Q, 取得 ~Q  所以 P* m" Y) H0 e* ?0 X' `
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Conjunctive syllogism+ H0 ^7 d  ]; A* x8 W0 Z) U$ {! V' m
~(P & Q), 取得 P  所以 ~Q
- y! t1 F+ w: \& k- D7 `~(P & Q), 取得 Q  所以 ~P6 E) B, K% A) A# w  V; D) t4 A! ^( Z
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Hypothetical syllogism
, F/ m1 f+ H/ w; P" C0 L9 i, u! zP --> Q, 取得 Q --> R  所以 P --> R
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! B. O# O0 U9 l2 y! G- u4 A& @  \De Morgan's theorem/ D* E& H' `# Z! I$ y5 k" |( k
~(P & Q)  所以 ~P or ~Q
4 C( u$ p8 }; M$ N& C& W3 t~(P or Q)  所以 ~P & ~Q