trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
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( U: s8 N, R3 @6 V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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* B* x7 r$ W  ^' f3 r( o3 d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。. M8 u! W3 c% p0 ?) w

' `6 Z, K' o- E" Ffirst time do it...not a bad grade8 V5 _9 y8 H+ S# R( P" n
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[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens0 v% c  q  z9 E; X
P --> Q, 因為 P  所以 Q
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* d7 \0 H3 k6 m( H. bModus tollendo tollens
# m9 Q" B7 l  |) X( `P --> Q, 取得 ~P  所以 ~Q
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% s0 M* q4 b3 s- s, r% t- M8 GDisjunctive syllogism; q- l# F" Y3 p' m: k7 R* M
P or Q, 取得 ~P  所以 Q
4 T1 e; z3 n. {1 D( iP or Q, 取得 ~Q  所以 P
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Conjunctive syllogism  [0 _% a, x7 N/ f% R
~(P & Q), 取得 P  所以 ~Q
) Q( a: \2 l6 s( V6 Z- H~(P & Q), 取得 Q  所以 ~P
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* D0 A9 `$ v  R( j& a! UHypothetical syllogism
+ a) j4 ]5 A4 `3 X8 }/ ^. K1 h2 ]1 XP --> Q, 取得 Q --> R  所以 P --> R
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De Morgan's theorem
2 C1 q% d5 c5 Q& X! E& \~(P & Q)  所以 ~P or ~Q
* u4 W/ i" _7 A$ y~(P or Q)  所以 ~P & ~Q