trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
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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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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:) s2 i# |8 D% j, u$ V- I5 k/ F
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8 v/ b' _; ^$ G4 Q* _7 n4 Q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。6 T) S: y& `9 c! n( \) ~
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first time do it...not a bad grade+ e$ d4 L- [7 N! k. C& z8 {. _

: d' z1 g4 \2 o[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
9 Z- x7 ], s3 ~: V. l1 DP --> Q, 因為 P  所以 Q$ z8 E/ f: R7 O/ ?; I
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Modus tollendo tollens
+ J" \9 C5 t' J7 N2 DP --> Q, 取得 ~P  所以 ~Q. \% ?( i) N' ^) P4 A$ r

4 }$ m4 o: E: P2 @Disjunctive syllogism
$ a2 Z" g2 i1 W( x5 D7 s, hP or Q, 取得 ~P  所以 Q% W  ?0 E" |( d* a, z' t* U% u# }
P or Q, 取得 ~Q  所以 P
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Conjunctive syllogism' H' \. p; M- a& r) X, s9 o: e
~(P & Q), 取得 P  所以 ~Q
9 D' [' F7 f+ r, X  ?~(P & Q), 取得 Q  所以 ~P
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Hypothetical syllogism
* R8 f& I4 I! |0 j- I" s0 s& A2 }P --> Q, 取得 Q --> R  所以 P --> R
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& x" _% ^* `8 s2 QDe Morgan's theorem
/ q9 A% p: g; g. b* A4 I/ N! s~(P & Q)  所以 ~P or ~Q
! c% w" h% Z( Y' x. |~(P or Q)  所以 ~P & ~Q