trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
0 |, v8 X, H5 n" |9 I' ]
, X" J) r7 ]  F, \
" w% F$ y! k# ?4 L: z8 I咪就係話你醒過頭,所以吾會明其他人吾明D咩囉

5 W6 u1 e! X: X& m5 p5 f
2 P! f) F8 Z& m

0 j* ~2 O5 ^' ]; ], a! \................................

guswan

Originally posted by trista_cheong at 2006-10-18 16:10:
% S0 [) G) e, ~* q/ F& t) g9 I' k; g5 J4 Y  p$ |

5 g$ s: C, Q5 x, r
2 [$ Z5 C( P0 Y7 a李天命d 書聽聞非常正

# \5 P& e; \: }, k
3 z$ u1 H  [3 t& b0 o0 z" U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:! i. }$ G) y  D* C0 Y8 r# S
8 }; ^9 J" j( u  k" I$ q9 S

& |6 T" t% F/ J0 a8 @/ h% T6 |( d睇晒李天命都只得7分..............

) S! B+ W/ R0 R6 p

3 x, `4 P. w2 I9 m  H% W, I. \- n. p4 }
4 q2 z* M" W4 R7 O2 z7 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。
: m. R0 _7 q: P  e( u% j7 k5 ?' m1 q& P1 X1 g% P
first time do it...not a bad grade
' O  x+ Q& h% g; N2 p- l2 u! U1 w$ d; J' a" }/ @- Y8 p  p
[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
; [7 {5 }3 ^* M0 n; `P --> Q, 因為 P  所以 Q
2 [; R" p4 i! u- {3 z
" x" T2 u2 {3 E! U3 E; ^Modus tollendo tollens9 l( W5 U3 A# X0 y3 x* n; y1 p; d
P --> Q, 取得 ~P  所以 ~Q, S4 a$ ]+ H; p& C/ _$ K' g" ~% [

( ~5 L! ?5 [. E; BDisjunctive syllogism, R) X! N  b8 ~
P or Q, 取得 ~P  所以 Q2 [* a  b1 b' t3 T% `
P or Q, 取得 ~Q  所以 P  `6 `# U7 V8 s) o7 h% A
& q- C8 d: U" p
Conjunctive syllogism4 I, [1 g$ u$ I  V0 v% W. K2 K; g
~(P & Q), 取得 P  所以 ~Q* x8 w! d) W9 e2 ]" e) f/ P' x" q
~(P & Q), 取得 Q  所以 ~P
$ I" V" s$ B0 I& ?+ K
8 Q2 _7 L  K: M& @" _* u/ _Hypothetical syllogism
0 J# x; W. j% l- I' X% VP --> Q, 取得 Q --> R  所以 P --> R
. [- n8 n7 n( `' t* C" Q& ], z/ i9 V. D0 B. I
De Morgan's theorem
( f( T, T0 m, o  q" P3 o/ ?7 F~(P & Q)  所以 ~P or ~Q2 @' }. m) y* Z
~(P or Q)  所以 ~P & ~Q