=
! ! ! "
"
#
$
=
!
"
=
= =
"
!
=
"
"
!
"
"
"
"
=
" "
% &
'
%
{
'
!
!
( +
"
" *
"
=)
=
+
+
"
"
+
" "
+ ,( -
=
+
-
=
+
"" "
=
+
(
=
,% . ,
-
+ =
+
/ ! ((
" "
"
"
"
) =
+
"
+
+
=
+
"
! &
"
!
"
}
0 %
#
,(
σ
-
=σ
+σ
-
=
" -
∧
+
"
∧
" "
%
σ
1-
%
= 1
∧
+ 1
= 1 ∧
σ
,
+
=σ
1-
"
#$
∧
" "
∧
+ 1 ∧
+
" "
"
∧
" "
+ 1 ∧
-
2 3 ,(
4 5(
=
-
-
+
=
" -
"
"
+
"
" " "
& ,( 6
7
( & 7 = ! ! ! ! 7
( 8
" 9
#
7 7=
!
"
7=
7=
!
"
"
7=
"
7
7
5
!
=
+
# 7
−
7= :
= "
−
=
−
7
"
0 *
+ 7=
7+
=
−
=
−
7 7
" "
+ +
"
−
"
=)
2
7 %
σ7 =σ
7
=
+σ
#$
"7
∧
7+
∧
"
" "
7
% σ 71 = σ 7 + 1 ∧ 7 = σ 7 ! %
σ 7!
#;
7#
$
σ
-
=
∧
+
=
∧
7+
= σ 7+
σ
"
"
+
"
∧
+
∧
" "
7+
"
∧
"
∧
(
< % =σ
-
" "
=σ 7
-
(
σ
∧ ∧
+ =)
,
"
#$
+
-
= σ 7+
∧
= 3
"
7 $
7=
"
"
7+
" " "
"
7
, = = =
"
"
+
7+
" "
"
"
" " "
7+
"
"
+
+"
"
" #
"
+
7+ "
"
"
" "
7+
"
+"
#
"
0
= 7+
+
"
" "
+
7+
7#
= 7= )
,% .
(
= 7+
" "
<
+
"
" "
& $
# 8
(
"→
#
"
8
"
(
"
→"
$ %
! 1 --
&
"
"
=−
>8>
8
+
+
"
"
#
(
( & !
?
+
#
$
=
( =
!
"
=
+
"
!
"
=
"
#
=−
"
4 5 ,
(
8
"#
5 =
+
=
" "
+
,% .!
+
"
"
=
" "
+
"
+
+
"
=)
, @ 6 ( = + "
+
=
"
=
+
"
# 8
% =
+ +
# "
%
#
2
@ (
#
6
8
σ
=
∧
σ
8
5
+
"
=
"
"
∧
"
+
#
"
,% .
σ
=
∧
=
"
+
−
∧
"
∧
"
+
"
+
∧
+
∧
+
"
"
∧
∧
"
"
"
$!
"
--
"
σ
,
=
∧
+
∧
"
"
(
, @
%
6
% =
8
8
+
# =
"
"
=
,
=−
"
# +
+
"
# +
"
#
"
=
"
#
"
#
#
"
"
"
"
,
"
6 (
#
"
⊥
=
A" "
+
−
"
,
"
# +
=
"
"
#
#
"
"
−
=
"
#
"
= "
#
"
=)
# +
#
=
3 3
%
"
=
"
=
"
=
"
"
" "
=−
"
"
$
7 8
(
=
+
−
7
& !
"
7
=
−
7 =
"
%
7
−
% !
(
# 7=−
+
" "
,%
% = =
,
+ "
= "
, , $
δ
$
$
"
#
δ
$!
=
"
=" #
δ
#
#
"
=)
=
= ! % 7+ 7 +
δ
!
=−
7
+ 7 =δ
7!
−
( "
"
#
<
=δ
+
δ
!
!
=
= )#
"
!
B
@ @ =
=
=
,
=
+
) +
) ×
& (
8 +
=
"
−
"
(
+
7=
•
"
7− =
7" =
" "
µ=
$
(
"
7−
"
+
" "
=
7=)⇔
=
"
7=
+
"
7
"
"
7
=
=
"
+
"
+
"
-
"
7
& (
(
"
%
8
•
µ
+
7#
&
σ7 =
∧
7+
7=−
$! ,
7 − 7#
"
7"
8
"
"
+
(
"
+ +
7=
& ( "
=)⇔
"
−
"
& (
"
*
!
= !
$ 3
'
+
= $
(
)
4 5 $
=)
"
#,
= 7
,
+
" "
7
σ7 = −
σ7 = σ • 7= =
-
∧
" "
+ 7" =)
7
+
∧
"
7
" "
∧µ =σ
7=
& (
7
7"
" "
"
µ"
+ "
7" " "
" +
"
=
µ" "
" 7"
" "
=
"
"
+ "
+
"
µ"
-
(
7
7 " 7" " "
" "
=
"
µ
"
=
47
-µ
C
+
& (
5
(
( 7
8
=
"
→"
=
"
=
7
"
"
7
7 = µ#
"
=
+
"
=
=
"
=
"
,
µ
= 7
µ
,
8
=
(
!
#
6
7
(
7
σ
-
=
7
+
=)
"
+
7
σ7 =
, , 6
=−
=− 7=
=
−
"
µ#
"
+ 7
=
7
"
?
#
7
7 +
+ 7=
& 8
7
7 + 7 = )!
,
6
!
%
=δ
δ
,
= ∧ µ# +
" "
7=
"
"
=
+
=
+
"
?
#
D
3 $
"
+
"
# = "
! !
= @
$
{
#$
& (
µ=
=
(
5
#$
+
µ
µ
8
=
→
=
−
−
+
+
=
"
=
(
(
"
}# $
!
(
=
#
7 =
−
µ
+ "
7
µ
@ +
8 (
#, 0
6
<
"
+
=
(
2π " %
(
(
+ & 8
# 8 (
# 6
+
8
"
:
#
>> = "!)# ) E >>
5
"
= B# ) "2 E
0)
−
=
"
+
<<
! % .
≈
"
<<
+
"
≈
+
! % .
=
! % .
+
≈
"
≈
"
≈
µ=
≈
"
+
"
"
! % .
µ ≈
"
"
8