trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:& X& y1 Q  f6 j* @0 Z" ~6 L; r

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* B: K" e0 a) o0 s* Z" O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:
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& q0 w5 K; q: M7 n5 L" a( r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。. T9 {3 U) Z6 Y0 ]

! u0 S' j1 N0 D' G5 @8 j# S  Lfirst time do it...not a bad grade# T; T7 A+ R" Q! b6 T( j5 T0 ]

: Z  O# M! S% B4 E3 q( f. E) B; t[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens. S* y. a2 H# k8 F0 w* |5 ^* z$ {! F
P --> Q, 因為 P  所以 Q7 c/ n) \0 a8 j* k

% O! `! _& I: rModus tollendo tollens; w+ X2 J4 u! L
P --> Q, 取得 ~P  所以 ~Q: n. W; J: P6 _7 n1 X$ ^% `

6 o: K7 z4 l/ [Disjunctive syllogism$ T) {' M" A! ~" Q! Z
P or Q, 取得 ~P  所以 Q
# x+ o) O$ w9 T$ @P or Q, 取得 ~Q  所以 P
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Conjunctive syllogism& V& X' H; w4 @/ f6 V9 E
~(P & Q), 取得 P  所以 ~Q
9 W; @# X  F" @( b3 T8 y3 ~~(P & Q), 取得 Q  所以 ~P
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Hypothetical syllogism$ {( ?& Z7 c* `8 P9 M& Z  \, t
P --> Q, 取得 Q --> R  所以 P --> R
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( U! Q' b" i' i2 b- F* }De Morgan's theorem
! K5 y9 R' z* u2 m% ]& K~(P & Q)  所以 ~P or ~Q
8 |3 i% p4 z- G8 l/ d~(P or Q)  所以 ~P & ~Q