trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
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4 K4 r" y4 I3 Y! R6 J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:
6 S+ F, K( ^/ _$ j5 \# J+ a4 `: _, [0 T. Y: M7 i6 w
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; H6 F0 |# P8 N8 O6 W李天命d 書聽聞非常正

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! g' l& N+ }( Y0 Z: L) C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:& \& H3 Z, N; ^( Y1 K& R
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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。
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first time do it...not a bad grade
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1 z2 n8 I, I0 x: \/ j' q; p[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens: J/ W8 }5 M, H+ M
P --> Q, 因為 P  所以 Q$ V! d# C- L) g* t# N  x

* P# L- R. P# @+ A9 u+ L* J: L6 m. oModus tollendo tollens
# H- D, u- C$ s' a9 q% i8 h0 GP --> Q, 取得 ~P  所以 ~Q9 s4 x3 x  y6 f2 h
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Disjunctive syllogism
- S. e1 M! f0 A* G" D# \- g) u1 ZP or Q, 取得 ~P  所以 Q
! {5 O! o: A; |9 `" aP or Q, 取得 ~Q  所以 P4 l$ l7 |. a1 s1 h+ f
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Conjunctive syllogism' [/ l' h1 t; E8 ^, i/ T
~(P & Q), 取得 P  所以 ~Q
2 n4 n  W, S) S& E/ a~(P & Q), 取得 Q  所以 ~P0 k8 ?/ S5 e7 o0 I
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Hypothetical syllogism) l, [$ k. S8 [0 o% e
P --> Q, 取得 Q --> R  所以 P --> R# Y8 [4 t1 k3 ~6 y- W
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De Morgan's theorem
% o2 H, f; s4 G9 O* g~(P & Q)  所以 ~P or ~Q
# T( l" C0 @+ @% x& f' ]~(P or Q)  所以 ~P & ~Q