trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
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7 r$ o: G3 q, p/ F9 C0 h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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6 v5 ~$ w. {1 {& `! I1 v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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5 X$ k3 E% M8 S* s  o睇晒李天命都只得7分..............

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7 @7 J5 R( G; H. H7 C/ F, B7 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。$ `7 Z, @7 u# s5 E
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first time do it...not a bad grade% `" n" X' u  s2 B/ x9 [
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[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
! i  X3 ]# \2 v8 v  P6 m% U9 _P --> Q, 因為 P  所以 Q7 c! @/ ^5 c6 a- k0 L  a/ n6 {

9 ]( v+ f5 Z: g' t; R$ Y, SModus tollendo tollens
% X- z4 _2 b! W, O8 ^9 t% [P --> Q, 取得 ~P  所以 ~Q
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Disjunctive syllogism3 U9 U) }7 V6 v8 O+ }% {) I
P or Q, 取得 ~P  所以 Q
# @3 p8 T  L% A7 v+ h0 ~P or Q, 取得 ~Q  所以 P. O2 M& m& h+ O& M) o+ b$ g+ K$ K& y

& n7 H, e4 a5 m5 l; vConjunctive syllogism
. N% y- p9 E2 |& Q# y% ^/ _~(P & Q), 取得 P  所以 ~Q& U5 N" \  t: D
~(P & Q), 取得 Q  所以 ~P0 e. k7 R( w% x6 _; c& s

5 W4 y) q% a7 _% N* k( |9 jHypothetical syllogism
: z  j& b$ t7 u9 K! \- I% PP --> Q, 取得 Q --> R  所以 P --> R) j0 G. s# z2 o3 C0 ]: ]

2 ], w  p5 |9 N4 j& P" w7 ]De Morgan's theorem
$ k' z. x1 S7 W5 S. _~(P & Q)  所以 ~P or ~Q
3 R& y& l+ U4 k8 b2 |~(P or Q)  所以 ~P & ~Q