trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:* Z  r) T( w; q' A

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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:* ?0 V9 {' \% v8 s( C% x* E
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% c, d9 H, r; q9 y5 @6 ]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 grade- N6 ^, o4 F& c" p( Q4 q2 m

7 w! B( k- K$ W2 R[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
: Y" Z2 j$ @. R! X3 {9 |P --> Q, 因為 P  所以 Q
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Modus tollendo tollens% t2 h. W) w- K6 |7 X  x) l0 R
P --> Q, 取得 ~P  所以 ~Q' Y# |9 z/ H1 e3 z" S3 I/ L* s
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Disjunctive syllogism
* Q4 T' P1 b. h* rP or Q, 取得 ~P  所以 Q6 P6 S5 i9 U) O7 x0 B: W
P or Q, 取得 ~Q  所以 P
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Conjunctive syllogism, G# D) [$ S+ x1 G% k& p
~(P & Q), 取得 P  所以 ~Q/ q7 K( H: s1 k( X. ~/ c
~(P & Q), 取得 Q  所以 ~P
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Hypothetical syllogism
' F7 _, V3 v" fP --> Q, 取得 Q --> R  所以 P --> R
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8 w6 p0 Z8 B0 m* i5 M9 IDe Morgan's theorem
, u7 m3 n7 d: K  O3 }~(P & Q)  所以 ~P or ~Q
$ |0 y, h# C  e* w5 G( T~(P or Q)  所以 ~P & ~Q