trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
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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:/ m, ^( l  z9 ?

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) g8 u* a5 k- D+ S) ~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。1 G. A' ~% {0 ?

7 A& |) y5 j6 R8 `. \- \first time do it...not a bad grade: ?% X* S) D) P! A8 R

, ]# q' q) ~, |5 f  j& \4 j/ s[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
& w; I, P4 H) @  y! F( Y5 bP --> Q, 因為 P  所以 Q
. v+ W, e' |. b, P* P  v* _
- q! X8 X: R% {$ ]) FModus tollendo tollens' x3 `4 I: u$ w* W7 ?
P --> Q, 取得 ~P  所以 ~Q
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Disjunctive syllogism
) {0 d' h3 x( HP or Q, 取得 ~P  所以 Q7 ^0 t7 n. s  Z7 `6 a; K7 Y
P or Q, 取得 ~Q  所以 P
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7 l7 g8 [7 K- ^9 PConjunctive syllogism) |0 S2 b' }& U' Z. W8 O
~(P & Q), 取得 P  所以 ~Q
% a2 p: @' H% Y3 f" w4 E~(P & Q), 取得 Q  所以 ~P
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Hypothetical syllogism
# O- L# ?$ d- AP --> Q, 取得 Q --> R  所以 P --> R8 {7 Q- D2 S( n1 s# O
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De Morgan's theorem$ y6 ~: ]7 o' k! e
~(P & Q)  所以 ~P or ~Q
! V$ j# K8 \9 V& M$ \. b/ H~(P or Q)  所以 ~P & ~Q