trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
. k& b9 I* @8 P1 g& u
' n$ D  e: e7 ?) |8 y
0 e0 u. Q9 Y# p( ~! b1 r咪就係話你醒過頭,所以吾會明其他人吾明D咩囉

+ J% W9 B( J9 l0 C7 |
6 p! _" A/ r% ^5 l: ]! S
. x. _1 c( k0 Y, h' \! q................................

guswan

Originally posted by trista_cheong at 2006-10-18 16:10:
7 l4 h6 o5 z9 C" R* ^# m" G* a+ k3 j" J& A7 N6 @4 d
) f% }& U$ a0 U3 u% G- q

3 m! q; M( A0 r0 u) I: c5 t2 v; p% J李天命d 書聽聞非常正

+ G# u9 g9 j1 V" j
: Z3 ^) a* b1 w! j8 r8 {; j, G
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:- Q4 g7 \' C; D; [: P- X4 B0 D
' g: I. r+ b: |# q

9 W) e, j) P1 z9 d% q/ A. R5 N睇晒李天命都只得7分..............

8 ^) O- }2 F5 z. H$ B/ L
6 q. m' O- M6 w  m0 v* Q; B" N! Q( ^" t" i! K+ W: q8 C
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。0 T3 D' X3 A! }2 t+ f+ P0 l5 Z
# ~, c' M$ x0 M& x3 s6 P
first time do it...not a bad grade
- j/ W% m1 V4 n
' n0 I0 d- `8 l+ ~  w[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens: b: `4 R/ `& z) _
P --> Q, 因為 P  所以 Q# S" q1 S. ^# K9 C3 _$ S$ i
7 K! D* b2 @$ s  v  H# Z% n
Modus tollendo tollens
. ]; D, z! T: C% R; ?P --> Q, 取得 ~P  所以 ~Q5 O3 F& x& o, f4 _, k+ s

* y7 w; w: d) M3 G- ?Disjunctive syllogism2 Y& Z5 _$ }& _6 p# H
P or Q, 取得 ~P  所以 Q
/ y- {1 N! q6 C3 ?+ WP or Q, 取得 ~Q  所以 P9 ?! L5 V- u' g# Z- j0 ]3 d( e6 E
7 ^# _" K7 M" [* ]/ E: p, t
Conjunctive syllogism
+ k, R5 O/ e) x5 l) S~(P & Q), 取得 P  所以 ~Q
  x- K! c  J- Z0 E~(P & Q), 取得 Q  所以 ~P$ t1 F( p1 H% s/ W  l% g, Z

- i( c0 N3 ~% B0 l2 iHypothetical syllogism
) Y$ |1 O" N8 K4 O. k2 j5 MP --> Q, 取得 Q --> R  所以 P --> R
5 f( Z; U0 r" E9 p4 K- I
+ y6 k% E. K% \. d4 ~De Morgan's theorem
4 Q+ h, M/ J, |$ r+ j: B2 J2 a* r~(P & Q)  所以 ~P or ~Q
3 H) F" y% ]1 Q% t& n/ T~(P or Q)  所以 ~P & ~Q