trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:  o( i2 n1 g* s. U" ?
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3 }. n7 [" P6 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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! Q% Z6 O- |, ]" w+ j) n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:- R6 b& f5 H' _( E/ G' u' Z" z6 \
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9 M" S3 A4 E! |$ c+ T+ H3 G- d% `睇晒李天命都只得7分..............

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) r7 g& t2 P) r2 E# M, V1 c7 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。4 S! v0 B) _3 F/ t0 A
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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
- m( j0 i0 U* |+ O8 BP --> Q, 因為 P  所以 Q
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1 P1 G, t4 U7 y( u9 N; G9 D/ n+ Z/ iModus tollendo tollens
! a9 a$ h1 {3 YP --> Q, 取得 ~P  所以 ~Q
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Disjunctive syllogism: k" j4 H1 I7 m. l& l! g) _# ?
P or Q, 取得 ~P  所以 Q& K5 V' ~5 E, g/ L  [0 r9 h  K* y. o
P or Q, 取得 ~Q  所以 P
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, H8 P: ^! j& w9 BConjunctive syllogism
# s( ^9 @4 h5 K~(P & Q), 取得 P  所以 ~Q( z: e6 f; O" D3 L& Y
~(P & Q), 取得 Q  所以 ~P2 c: [0 e) y& ^4 P/ u, i

3 d* v, j& N3 A& t4 P# qHypothetical syllogism
& ^6 ?& A6 U6 R/ b( c2 {P --> Q, 取得 Q --> R  所以 P --> R
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De Morgan's theorem
  i& V) A2 M) `$ T- I/ I~(P & Q)  所以 ~P or ~Q
( h2 }$ E: V' q" Y' I0 v2 C  F~(P or Q)  所以 ~P & ~Q