trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:( C9 u- ?3 F0 B& X; t

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/ U3 Z% g7 ?. |3 A, C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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* C$ o& i1 P4 t2 {$ S! F睇晒李天命都只得7分..............

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, o/ b+ _, T; C, s; O2 W$ F' Q7 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。$ B% Y* i; l; t

9 w7 [4 l6 C' @- q7 L6 u1 t1 o; @first time do it...not a bad grade$ _9 F9 t8 ~0 }1 g8 J

7 s+ p; t6 P3 `8 \8 M2 x! m[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens+ [2 e8 x' h9 v9 ^( v
P --> Q, 因為 P  所以 Q, x6 Y) v: e7 _0 o( A
& E  C/ i7 A+ t8 ~
Modus tollendo tollens% r! u6 I+ P% e
P --> Q, 取得 ~P  所以 ~Q+ ]5 s; n5 t) `- g
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Disjunctive syllogism5 ]/ P  J: Q8 r$ w  T' L. s2 S1 l
P or Q, 取得 ~P  所以 Q& [" h0 o1 G+ B
P or Q, 取得 ~Q  所以 P
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9 Z4 F% n2 T2 k) a* Z4 o( KConjunctive syllogism
. Y& S4 \( S: R1 l: \~(P & Q), 取得 P  所以 ~Q
1 L$ O. z, P- R5 W~(P & Q), 取得 Q  所以 ~P
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) K' o+ X3 x$ ^/ z$ sHypothetical syllogism4 C; x& M! |; h2 i' j8 C# D
P --> Q, 取得 Q --> R  所以 P --> R
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De Morgan's theorem
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~(P or Q)  所以 ~P & ~Q