trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:) b# l6 D7 z6 G

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+ F/ Q- b+ b: O0 B6 q" ~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:! \- Y/ `! u3 X) C9 W
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+ M. r* E% H( I* x! C$ U- J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:% m0 W. H; ~# c( T
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睇晒李天命都只得7分..............

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; }; J% n% {( K% m7 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
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[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens% o" Y' H- b. L1 e% I2 g; j: B
P --> Q, 因為 P  所以 Q
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Modus tollendo tollens
& }/ @3 b; r) A- fP --> Q, 取得 ~P  所以 ~Q
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9 W% H% F; w0 F2 P3 C  IDisjunctive syllogism+ V  c8 N2 y* y" b
P or Q, 取得 ~P  所以 Q
& n+ M. o  W9 x& |P or Q, 取得 ~Q  所以 P
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Conjunctive syllogism
) v# C: B. p+ G$ m2 }0 O' A~(P & Q), 取得 P  所以 ~Q
6 {/ h& U, s" x: }& \~(P & Q), 取得 Q  所以 ~P' C3 r. @) p0 \! D# ?* N8 X  W1 n! K

, W: h- ]+ B2 ~" |. J% jHypothetical syllogism
9 V+ w  L. _' B% v( RP --> Q, 取得 Q --> R  所以 P --> R: d0 W4 H3 H+ Q# {  N) z: ]
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De Morgan's theorem$ C( d( `) @7 L8 n' K
~(P & Q)  所以 ~P or ~Q
2 z) ?0 ~$ v! }/ |~(P or Q)  所以 ~P & ~Q