trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:! ]7 f; a' ~, {- N& U! d& a% ?
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. m" ?* F" J, q5 D, M' l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:% t! Y5 j+ l6 h

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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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睇晒李天命都只得7分..............

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) W0 |! |$ \3 X" R; g2 ~2 h+ Q4 i7 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。4 B. t8 |: L3 I) J' U
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first time do it...not a bad grade3 N7 [  Y+ ~+ }1 J; a- M. j

, {! s) m( h. f( y. w[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
! W3 _8 P$ ?2 I9 n& GP --> Q, 因為 P  所以 Q
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" E7 P4 C# C9 ^0 Q  HModus tollendo tollens
. O" b" u: \. ^% MP --> Q, 取得 ~P  所以 ~Q
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  T4 G% b  M, KDisjunctive syllogism+ \" H7 p/ o" Z* Q+ w: A
P or Q, 取得 ~P  所以 Q( n( Y- _5 y# u- n! S! G# I- K0 M
P or Q, 取得 ~Q  所以 P
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Conjunctive syllogism
+ b$ ]+ l. f" A4 x~(P & Q), 取得 P  所以 ~Q
+ l" p$ x1 X7 `; }+ L+ Q" V4 V0 Z~(P & Q), 取得 Q  所以 ~P; Q, y% E: v$ F; K* n! Y, |, g+ j, }
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Hypothetical syllogism
, Q! t0 z( f0 NP --> Q, 取得 Q --> R  所以 P --> R
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1 q" v( m! v9 j5 l; fDe Morgan's theorem
' Y4 x' B5 U' ]8 ^1 \~(P & Q)  所以 ~P or ~Q
6 n5 \+ r' I( e: |- n: V~(P or Q)  所以 ~P & ~Q