!" ! $ # %&' # % ( ∈ ) *+ - . -, . = -/. - + − + .= $ . - . !% 3 + . - . = -,+ . = 0. - −/ . = - −+ . = %. - 1/ 2 . = - /1+/ . = - . - −/ . %3 −, %. - 1/ 2 . * -, . = ⋅ = − − − - . = / 1 /−/ 2 1/ / . = − 4 !% . - . = & % + , * % !% ! 0. ! ∈ $ 6 = 6 - − .6 6 = 6 ,6 1 /− / / 1 5 1/ . . - . # ∈ / & - + + ∈ " + - . + 7 . = &%3+ = # - + + + − + . = - ; + + " + != ∈ + + . + 9 + +/ + + + + + + + - . + 4 + +/ − - . = + ! % ! " . -7 3& + +/ ' + 7% ! !%% ∈ !%% 3 A %! % ! " # != 6 = 22, B 6 - − B.6 %&' . . & % % 0 & & = -B . = - . − +/ !0 B & ! = + - . + . = 4 & & @ . . + −- + . +/ %% 3 # ! 3 / !0 > % !0 & : 0 ! ' ! < !& + +/ . = .= %3 8 % !" + / " - ∈ # % 98 % % !" !% 3 + ; & " !%% & % + . + - . # + ; & & - . = -- # - +. - .= & " %&+ 2 / + + & ! + , %% 3 = ; ∈ $ -$ ? & ∈ . ! !# !%% 3 # 3! !%% 0! !& B CC !%% !%% 08& 0! A !% 3 + & '! 0! !' ! % % - .= - " - + & % − - .= + " !% ! !% ! # ]( ) = = !% ! !&@ ( −/ !% 3 + ! B = # ? ? 5 , % &! − 2 ( ) 1/ - . !( ) % % " % % # !% < !% - + .1/ . ! G& &@ ! G& &@ , # ! G ! '! !! - + . - . ? # & ? !! ) 5 ( ) ( ) (− 2 = ,# # / # # 1 /# ! '! - . > + = 2,,2 ? ! !! 5 2 '! / & 5 5 &0 !! !0 !% 3 + = *.+ − & 0 " = - − .1/ - 0 % ? % = G % F E# - + > [ 1 - 1 /. − H , # D ! $ + ≤ 1/ D . = # /# 2# & = ,# #/# # - − . 1 / # ! ,≤ " @'! .# 0 &% − # $! ' ! G >; 2 &0 −/ 1/ ) 2 & = −? −? & &@ 1/ D! # !&@ % &! 0& I !% ! !&@ !% 3 + & !KL@ &@ = ! ( ) − N (− J− + J − 1 ( ) 4 (− ) " @& ! !% 3 !! ; - ! 7 $.# !! ) − ! !! =, 0. =, −/ J − G 0 & M /K4 , 7 $ &@ 1/∉ # = ( )=, &%3+ . / = ( + ) = =, 4 =, 0. )J = ( )=/ (− ) − 1 !0 & " . ( !0 ,=, = ( − ) () − ⋅ () = - . -− . =, -− . - . 4 =, & G & JCC 0& !% % !% 3 + ( / − 2 ) ! !! ( !% N & + !& ) 2 J − / ( = J = -− . - . - / -− . - . / + . () J − / & % + / !0 =, ! ( !! 2 − ) - ( J− # ,≤ 2 / ) 2 J − 0& − 2 ) = J + ( )J =, / − 2 . ≤J . =, 4 =, 0 !' % / + # ,≤ > B !G ≤ J# , ≤ / + > N# & N ≤ % ! + ,≤ 0 & ≤B = , = , / + = , = = ,# / + = /#2 = / = ,# # / / + = B # ?# 5 = 2 = , # # /# 2 / + = 5# I #N#J = B = ,# # /# 2# B / + = N # J# ,# E# ! % () () J 2 ( ! 2 / % & " () () J B $ &# !% N !& !% % B , & N 2 ( ) + ( ) = 2IN J 2 J B = 2# # /# =/ = B# =, ,C = = !% ! -− . - − −/ . ?/ −/ // 5 +/ =, − = !% 3 + -− . - − − . . -? / . - ⋅ - / / ⋅ 5. ⋅ / − / ⋅ 5 / =, 4 /? ⋅ − 25 B -− . - ; 0 " =, () . /? − − /B =, 4 /? ⋅ J -/? − /B. C − = = − = //? () 8 !% 3 + " =, & () − = ( )= " '! & + , 8 % # +, 4 =, ( )(− ) + = ( )(− ) 8 4 =, ( )(− ) # !% ! # = ' 8%% N# ' / & ! ! - + . = =, &%3+; . ; () & - + . = =, . ; ) ∀ ∈ " + () − !& + − %% 3 4 ( # ∈ + = =, = () −, , , − ∈ '! ( ) () + = + % + − & + - + . + + = =, & ( ) + + − " + - + . # + = - + . - + . = 7 3& - + . + %&' # = - . - + . 0& + − + =, + 4 = 4 = - + . − - . =, 4 + =, ( ) + − =, ( ) + − ( ) + − − − + ( ) + =, + ( ) ( ) F = + − + ( ) + − + ( ) , + − + 4 4 ( ) ( ) + [( ) + = + , + − ( ) + + = ( )] + − + − + ( ) + 4 =, ( ) + + − 9 + , = ∴- + . = =, () − ∀ ∈ L- . ( )= ( ) , , + + ( ) = ( )= ( ) + + = +