trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
' c5 C3 m, T7 Z& m' o" k
7 k4 R3 R1 I9 a2 y2 ]7 u  A
$ j" T0 K: ?( c  _: D咪就係話你醒過頭,所以吾會明其他人吾明D咩囉

9 \: w3 t$ ?$ s( }) K

  A% d" T( l" T
* _7 f6 V7 p1 I3 E4 e................................

guswan

Originally posted by trista_cheong at 2006-10-18 16:10:) @: W8 v1 b/ W1 W& q9 m
, [. @0 `: ]$ q; _! \$ v' k6 h

+ ^8 k9 T8 M' ^' l/ ^; i9 J# @; |# e8 G3 M" {
李天命d 書聽聞非常正

4 z& }  Z+ A4 M7 L* P4 `) R9 Y0 F5 k. U0 o( i& W2 _
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:7 T: a$ t# W: ^( X/ e4 w3 o

* a1 A( V) h# p& l+ ^" E0 k
$ y% E" L( P+ x1 f睇晒李天命都只得7分..............

6 G- o' L$ {$ @
# u' C! G; U) L/ h# O1 `# D; C
$ ^" J) h& c5 m9 }9 L7 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。2 V8 A5 _" Y4 s2 ?0 I# K1 i

) I+ c9 c5 E, Y8 Q* z% o; rfirst time do it...not a bad grade
; }1 n: u# n( n6 E3 s: k; T) I2 q5 H# K3 ?, w
[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens6 f5 c: B, Q9 s- U
P --> Q, 因為 P  所以 Q! h( l& Y3 v5 S+ c: R
/ C7 _; G( q" |  h( ]
Modus tollendo tollens
3 K7 ~3 w2 G# m, ]! P  H4 HP --> Q, 取得 ~P  所以 ~Q
, }9 S0 L8 G6 Q+ a0 s
! D: Y3 f9 n- |; s1 s) C9 X  PDisjunctive syllogism% J$ V9 g- m% t+ X8 i
P or Q, 取得 ~P  所以 Q
" {% U+ R/ o$ V# X% t- JP or Q, 取得 ~Q  所以 P* T, @- n3 }7 F* X9 o
7 N7 W  a) i- X) r  b* t
Conjunctive syllogism
. P0 ~6 I  L! Q# _0 w$ ~( n, q~(P & Q), 取得 P  所以 ~Q6 r; c) b; ?  r
~(P & Q), 取得 Q  所以 ~P7 A: i' V/ W. ~; |$ A2 O" m

1 D# |  |, S3 ?. I+ iHypothetical syllogism2 D8 f* Y$ O- k6 n
P --> Q, 取得 Q --> R  所以 P --> R2 ?0 N+ M, \6 K2 X- ~4 Z& M' m

8 G% ]% a2 ^: A: K' b" u8 tDe Morgan's theorem
$ c9 g6 n1 @- V( ~2 d1 X~(P & Q)  所以 ~P or ~Q
2 w  q, R+ x2 _! Q9 \0 j~(P or Q)  所以 ~P & ~Q