trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:+ r1 f5 a: E/ z2 }7 _

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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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2 x, |, f& @  ~. A9 p! G李天命d 書聽聞非常正

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. C8 W2 K, P: z( L7 g' d5 @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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3 p: @0 s- T! i4 K9 D' `& B2 @( h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。) y; x8 T6 u$ M1 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
' a4 `, [* S$ rP --> Q, 因為 P  所以 Q- {3 C9 C: w: C2 B

9 b( j9 ?. @% Z) q% L. LModus tollendo tollens
: e# s3 N# ~& TP --> Q, 取得 ~P  所以 ~Q
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& }$ m* s# o' J4 i+ mDisjunctive syllogism& W: m# Z6 ^7 T; z# C7 e* b
P or Q, 取得 ~P  所以 Q3 F: p) p; _* F) _  ~# c  z- j
P or Q, 取得 ~Q  所以 P0 G- @2 l; I  |
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Conjunctive syllogism
0 M+ W; f1 p5 g) M* H. n~(P & Q), 取得 P  所以 ~Q  x* }* h1 L: b+ T: a) v0 V
~(P & Q), 取得 Q  所以 ~P5 I4 F( g( J  l6 }

+ v# X9 E+ o+ N: T/ }3 QHypothetical syllogism
; T, w- E0 R& Z. OP --> Q, 取得 Q --> R  所以 P --> R( P# T1 C1 R0 K2 {4 u# A$ R  h

/ U/ k* h. J5 z: W: e* M) RDe Morgan's theorem' g# o7 E7 L; K
~(P & Q)  所以 ~P or ~Q# K/ t! H8 m6 p. @% P
~(P or Q)  所以 ~P & ~Q