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:
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  n+ ^* E& @7 q5 ]1 x* ?李天命d 書聽聞非常正

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- q% I3 `& Z0 o; G" {5 t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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* o7 {) `: y! x! ]; V9 k7 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。2 P5 l9 \1 R: h5 @0 B

) I- l( o2 ]+ d$ z% Wfirst time do it...not a bad grade8 W" q0 j% ]2 L/ @, e
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[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
/ v) |; M' B( [P --> Q, 因為 P  所以 Q4 d$ l/ a  Z4 ?. a
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Modus tollendo tollens
* m7 P6 Q& C3 h* B1 C, hP --> Q, 取得 ~P  所以 ~Q) h7 G8 l5 ?& N3 ~

3 ?0 K( S, b8 B! b3 iDisjunctive syllogism
# Z6 a/ J4 O0 P. BP or Q, 取得 ~P  所以 Q
- {4 i% _9 U4 r, ZP or Q, 取得 ~Q  所以 P! S0 n( \+ I% Y9 M1 d& ]
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Conjunctive syllogism( i+ ?1 Y: n4 [7 H/ W
~(P & Q), 取得 P  所以 ~Q
, G! v; p0 k# n$ ^2 v: v~(P & Q), 取得 Q  所以 ~P
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& s  P. a7 ?% |Hypothetical syllogism
9 U) o1 V3 s# B% r* j; AP --> Q, 取得 Q --> R  所以 P --> R, D; C1 O$ Q. Y/ K9 }6 I9 I% l

8 ]( a  F/ D$ ~9 u2 z! i/ mDe Morgan's theorem1 l/ i$ E* z8 b7 y5 a
~(P & Q)  所以 ~P or ~Q7 a: A/ `! V! u, ]* {8 U
~(P or Q)  所以 ~P & ~Q