trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:! u; @# o( J* z

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; r" K/ @# \* {8 y! \+ A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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: g2 N1 Z1 ~# g................................

guswan

Originally posted by trista_cheong at 2006-10-18 16:10:
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. Y8 U* b, D7 M+ O0 B9 L( C, [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:6 b  w4 `" h, P6 v6 w& \' z
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- L+ t: ]+ i7 x( i& y( v# k9 R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。
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first time do it...not a bad grade9 K( m! L# T8 Q2 l5 j& z. U- g
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[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
5 B6 p. d& ~& e8 p3 ^% n, FP --> Q, 因為 P  所以 Q
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2 g/ a1 N2 ]3 }. GModus tollendo tollens# q5 i! I4 F' S: h9 _' Q
P --> Q, 取得 ~P  所以 ~Q
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Disjunctive syllogism
. z, N8 z2 k* |$ pP or Q, 取得 ~P  所以 Q
- d  b  _1 p, c$ X0 d# ], R3 D  n3 T' ^P or Q, 取得 ~Q  所以 P
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Conjunctive syllogism
$ P& y  x4 n" f% g! W! B" O' K~(P & Q), 取得 P  所以 ~Q$ D) |+ \, x4 l7 b1 ~) y* }7 v
~(P & Q), 取得 Q  所以 ~P
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Hypothetical syllogism. O. h% P7 p4 a
P --> Q, 取得 Q --> R  所以 P --> R) a) ?/ Z6 k9 Z
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De Morgan's theorem
1 V% _% R2 Y4 A# i~(P & Q)  所以 ~P or ~Q
) C; D2 i+ P  A~(P or Q)  所以 ~P & ~Q