trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:2 O' e+ W6 N' ]$ \: Z7 i* Q

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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:: t; @( W  u5 l, T1 e
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! g0 t) p8 F0 a; g% x李天命d 書聽聞非常正

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5 C5 A/ S, }( m; N' i  o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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" {; o; @4 Z" l5 v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。; c! g% b- o" o- j2 j
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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! f2 O; I. v% H+ [6 @$ j
P --> Q, 因為 P  所以 Q
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Modus tollendo tollens; u9 R3 ~% {  h$ [) |
P --> Q, 取得 ~P  所以 ~Q- D8 e" t2 r$ `6 i
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Disjunctive syllogism
" V7 F; v4 {1 x( ^2 i' i/ _7 c, rP or Q, 取得 ~P  所以 Q2 ?# |! O) R$ P4 z  }; n9 C  z& I  O. g
P or Q, 取得 ~Q  所以 P4 U4 [; z( [  r% Y& y# @+ C9 b0 [

# @5 ?8 z# ~; _9 G" C; nConjunctive syllogism
" Y5 l% J# V1 t7 F- p) }~(P & Q), 取得 P  所以 ~Q
  K, p& _% z- d5 }' M  Q/ M# i6 b~(P & Q), 取得 Q  所以 ~P
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( W, d6 O- x) v: m1 o0 U; oHypothetical syllogism
' l3 A0 A/ ]1 C) c* ^7 \" ]2 NP --> Q, 取得 Q --> R  所以 P --> R! ?) G& d( a/ k4 |( ~

# Z& V) l: e- p: J) J4 kDe Morgan's theorem  q2 ~2 b$ b6 m8 `$ r
~(P & Q)  所以 ~P or ~Q
: d; {( q- Q0 u& M+ p3 K0 i; i~(P or Q)  所以 ~P & ~Q