trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:% v1 D3 Q0 l% Q8 E7 H. q* W

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6 U" q% ]  O+ f2 b+ x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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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。9 h6 p! J% [, i" D* F
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first time do it...not a bad grade
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0 I  _& p+ R( s& |; b[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens9 s3 T8 w* b; f& P
P --> Q, 因為 P  所以 Q
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2 T; X' T+ f: f0 p- z# X' ~/ WModus tollendo tollens
( C; U( B. K7 n6 U- @+ HP --> Q, 取得 ~P  所以 ~Q
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$ R7 q9 h; ]; b( a) KDisjunctive syllogism
/ v7 w. _' j3 n' O$ E" g( ~P or Q, 取得 ~P  所以 Q  ]# H5 S$ k; x+ y
P or Q, 取得 ~Q  所以 P5 o8 E0 M4 ^' n% D2 g& p9 g

4 b$ A5 d5 W3 |& ^6 s! {Conjunctive syllogism" p4 p2 q" a  G3 a: I
~(P & Q), 取得 P  所以 ~Q4 {; I% M1 n. H8 C4 I! L$ I! Z
~(P & Q), 取得 Q  所以 ~P% u) r, D& Q; R

( c; p  F3 s+ O2 D" HHypothetical syllogism. ]* h6 S4 c( Q
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