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( ΗΦ Φ Κ Ε %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%Σπ κ8 %ΨΡ Ε ϑ%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ΨΖ κ8 ⊥%ΣΡ 8 ; ( ∆4%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ΖΨ κ8 ⊥%ΨΡ Ε5 ∼ ?%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Ζν Doc.edu.vn ∃ χ ΗΦ Φ Ρ Η ∆4 Β ΗΦ Ρ Η ∆4 βΕΘ Ρ β7 ο Λ ΘΕΞ Ρ Λ 6∗ ∴ ∋ φΗΚ Ρ φ 66 Η 06 Κ 2 ζ Ρ ∋2 20 ε εΡ ε60 00 20 ε 0 Doc.edu.vn Ξ94 > 3 > Ψγγ⊥ ΗΦ Φ Κ Ε φ=κΗΡ Φ Γ =− Η Φ] Α! Β⊥ _ Α%Αϑ , Η& >α Πβ < % Φ ϑ ∋ ∗ ; >8 Ι Ι 7 ; 94 > ∋ % > [ > ο Β 94 ϑ > % = , ∀ 6< 3 χ ∆4 =∆ Φ 6< 3 ∋3 [∃ ϑ % , ∆4 , : 5 ∋ ! 3 ο ( =∆ Φ > ∗ : % Τ > ; 94 > − ∋3 : 5 ; ∆4 % Ε ∆4 , ! 5 ; 4 9 > ∆ 3 > ∆ ∃ ∋+ Ι ) ∆4 ? 2≅ ; 6∃ [ > ∆4 7 / ο : > ∋∀% Λ ,4 ) ∗ ; ∗ ∆4 , ∆ 3 , 2Γ 5% =∆ ; 94 > − ∃ ∋{ 3 ∋{ ∗ χ % > ∴ ϑ 3 =∆ Φ 4 ∃ 3 3 Ξ ϑ ; ϑ % =∆ Φ [ > ο 3 ? ? Ψ ∀ ∋ ! ∋3 ? ? Ζ Ξ Τ% κ∆ ) ∋ 3 =∆ Φ # [ ϑ 2Γ ϑ > , 3 =∆ Φ ! ϑ ( Φ 9% ∀ [ 3 6 ϑ Φ , : 5 ∋ ! 3 =∆ Φ > ∗ : =∆ Φ >7 ! 2 ∋ ! , Μ 3 Β − ∋ 7 ( 3 =∆ Φ % Λ Ψγγ⊥ Β ∋ =∆ Φ ο ϑ ∋ =∆ Φ > ε ε , ∀ ( ∼ ? ζ% , ∀ 3 6Β 6χ 5 ∆4 =∆ Φ ∃ ∋∀ > > ∃ 6< 3 % Λ ∆ Ψγγ⊥ − ∋ ( =∆ Φ ϑ Μ ∋ ! 3 [ > ο Β ∋ ! 3 =∆ Φ % 3 > 8 Ψγγ⊥ ο ϑ / 8 ; 94 > % ∀ ) ( Ι ΗΦ Φ Κ Ε ∋94 > 3 > ∋ ) , ∼ ? ∋3 5 ∼ ? ∋3 ; ∆ 3 ( ∆4% Λ7 9 Β ∋ 7 3 7 ( 8 % Λ ∆ 5 ; 5 ∆4 χ χ 7% Ξ 7 3 χ χ 5 ; [ ϑ ∆4 7 / 5% = : : =∆ Φ 9 ∋! 5 ∆ 94 ζ% Ε ∀ > 3 > ΗΦ Φ Κ Ε Ψγγ⊥ /4 ∆4 ∼ ? ∋3 5 ∼ ? ∃ ∋+ Ι 5 Β − ∋ ; 2 ( : % Αϑ7ϑ Βχ> δ Φ: > 7 ∋94 > 3 > ∀ ) Ι ∆4% = ∃ > 3 > : , ≅ ∀ > ) Ι 7 ∆ , ∆4 , [ ) ; ∗ 6∃ [ ≅ ∀ ( ∃ > 3 Ι ∆ ! Θ= κΡ Φ Γ Φ3 |⊥| Doc.edu.vn Ξ94 > 3 > Ψγγ⊥ ΗΦ Φ Κ Ε φ=κΗΡ Φ Γ =− Η > ) ! /4 ∆4 ;% = ≅ ∀ , ∃ > ∃ ∗ > ∃ 2< > ≅ ) % 3 β ≅ ∀ ∀ ∃ > 3 > ΗΦ Φ Κ Ε Ψγγ⊥ , ≅ ∀ /4 ( ∆4 ∃ ∋+ Ι 5 ∼ ? ∋3 5 ∼ ? ϑ ∆4 ; Ψγγ⊥ % Λ ∃ > 3 /4 ∆4 ∆ 5 ; 5 ∗ > ∋3 9 Β ∋ 7 3 7 ( ∆4% , ∃ 4 ∆4 6∴ 2≅ 7 3 χ χ 5 ; 5 > χ ≅ 7 ∆4 ; 9 ∋! 5 /4 ∆4 ο ϑ 8 ; 94 > % Α%≅ϑ Τ% Η % >δ Λ: ∀ ? Ζ ) ∋Ρ Τ ) ; 2 > ∋ 9% = ) ; 2 ! ] 5Ρ Ε 5 ∀ ∋∀ > ∆ > 3 > ∋ 8 , χ : δ ∋94 > 3 6∃ [ > Λ∆ # ε φ Ψγγ]η% = 7 Ι > ( : ∀ ? : % Ε 5 ∆ ∋ϑ 6∴ ( ∆4 6∃ ο 2ϑ ≅ ( ∆4% Λ Β ; > ( ∆4 % !∀ # ∃ % & ∋() ∗ Ε 5 Β Ι ∗ ; ; ∗ ∆4 ∗ { ∗% = # Β ∋ 7 3 ) 5 ; ) χ χ % Λ ∆ 5 ) 7 3 > χ ≅ , ∗ 9 Θζ % , : ∋ ! 7 !4 3 ∃ 3 2 3% + , ∋− !. / ∋ ! ! ∋< Μ 5 4 ≅ [Β 2 3 2 3 > 3 ∃ ( # ε φ % , ∋− 1 (2 1 ∋() ( 3! 440 Λ7 ! ≅ ∀ 5 ] > 3 : ! !4 > 3 7 ∆4 ! Μ # & ∼ > 3 Ρ > 3 6∃ [ ∃ ∋+ ∋ ! > 3 >0 > 3 Β 6 3 % Λ > ϑ ∆4% Ε Ι ∋ > ∋ 9% Αϑεϑ 0Φ] ∗3∗ % >δ ΑϑεϑΑϑ 0Φ] ∗3∗ Ψγγ⊥ ΗΦ Φ Κ Ε φ=κΗΡ Φ Γ =− Η Η& ∋∆ ? ∗ > ( # ε φ [ > ο 3 ! 94 0 0 ∗ ∋∀ Η& ∋∆ 65 > ∃ > ( ∆4 2< > ( ( ∆4 94 ∼ > Ν δ Η 4 9 ∆4 χ > ∆ 3 > ∀ ∀ ? ( : # ∋94 > 3 > ΗΦ Φ Κ Ε Ψγγ⊥% = 94 Β Ι ∗ ∼ ? ∋3 5 ∼ ? 74 ∆ 7 3 χ χ 5 ; > % Λ 5 3 7 ∆4% Αϑ9ϑ ,Θ% η> >ι∋ ςΜ∗ ΞΩ &Σ> Ξ% Η&∋ Φ ) ∋94 > 3 > ∋! ( ∆ ∋94 > 3 > ! : ∗ 9% Ε, ∋∆ >∀ ∋! > ∋94 > 3 > Ρ ϕ & ; 5 2∆% 8 ∋94 > 3 > , ∆ Ι !4 ; 9 ( ∆4 8 ∀ ) ∀ ( Ι ∆4 Ι !4 [0 [ ; ∆4 ; > ∀ / =∆ ∋94 > 3 > 6 /4 ∆4 94 + > ∃ ( 5 ; 7 > ( ∆4% Φ 8 ! [0 ∋ 8 >7 3 > > ! [0 ∋ ∗ ≅ ϑ ; ( ∆4 8 > 3 ! ∋94 ∀ 5 6 ∆ 3 ( ∆4 2< > ; > ∃ ∆4 , ! 5 ∋ % Φ , 6∴ 2≅ > 3 > ∋ ; ∗ ≅ ∃ ∋+ 8 ; ( ∆4% Τ; ∃ > 3 > Ι 6 /4 ∆4 , 8 2∆ , Β !4 ∋+ Β Ι : ∋ ) ∃ % ϕ , , 9 2≅ 7 3 ( ∆4 > 7 ( Ι ( 3 ∆4 ∗% β ∃ > 3 > ! 6∴ 2≅ ∋ ; ∗ ≅ : ∗ ; ; 8 , [ ϑ Ο ≅ ∀ ∆4 ) 9 23 Ι ( 3 ∼ ? ∋ 6∴ 2≅ Β ∋ ∗ ) ; ∀ Ι ∆4 # ∋ ; 5 ϑ > Ν ∆ ∃ ; > 3 > Χ ! ∋94% ∗ ; ) 3 ) > ∗ [0 > ∋ ∆ ∋ ( ; ∃ > 3 > 9 , /4 Μ ! ∗% ϑ Φ ; ∃ > 3 > ( ∆4% Θ= κΡ Φ Γ Φ3 ∋ 5 6 ∗ 3 |π| Doc.edu.vn Ξ94 > 3 > Ψγγ⊥ ΗΦ Φ Κ Ε φ=κΗΡ Φ Γ =− Η , ∋3 2 ; ∋{ 9 6∴ 2≅ > 3 ∋ ; ∗ ≅ ∃ ∋+ 8 ;% Θ= κΡ Φ Γ Φ3 || Doc.edu.vn Ξ94 > 3 > Ψγγ⊥ ΗΦ Φ Κ Ε φ=κΗΡ Φ Γ =− Η Φ& 7! ϕ :⊥ ,κ ,− 7ϑΑϑ 3% %)6 ΞΩ &Σ> Ξ% Η&∋ β 3 > ∋ ∃ ∼ !4 ; 2 ? > 3 ; 9 > 3 4 ϑ > 3 6∃ [ > 3 Β 6 3 ∆4 2< > 3 > ∗ ∃ Β ∆ 3 ; ∀ ∆4 ∀ ∆4 ∗ > ∀ 5 6 , ; 2< > ) 5 ∋ ≅ ∀ > 3 : % 7ϑ7ϑ λ6 Ξ% Η&∋ >& [Φ %) ο %∋ 56 7884π Η Ξ∀ Φ Γ κ3 Ω∀ ∋94 Ψγγ]% Λ: , ; 2 ∋Ρ Φ; 2 ΣΡ Κ Β ΨγγΣ|Ψγγ% ; > ( Λ∆ # ε φ ) ∃ > 3 ∆ ? ∆ ≅ 6∃ ο ( ∆ Β 8 8 ; ( Λ∆ ΨγγΣ| Ψγγ% Λ Β ∃ ( ∗ > ∋3% ∆4 Ε Ι ∗ > ∋Ρ ∗ ; ; ∗ { ∗ ∗ { ∗Ρ ∃ > 3 # 5 ; 5 ∀ Ι > [ ; ∗ ∆ ( ϑ ∋3% ∗ ∆4Ρ 5 5 ; 7 > Ι ( Ι ( : ο 6∃ ο ; 6∃ [ > ( Λ∆% ∗ : >∆ < 3 7 ∃ ∗ ; ;Ρ /4 Λ∆ 7 3 7 ( 5 ∼ ? Ι 6∃ [ Ι >0 Ι ∆ , 7 !4 ∋ 3 6∴ 2≅ 9 Θζ # Β ∋ 7 3 ) & 5 ; , χ χ ! ϑ Λ∆ ; 7% Λ , ∆ 4 > χ ≅ 7 5 ∗ > ∋3% Φ; 2 ΨΡ ΠΒ 2 φ Ψγγ] 3 Ε ? ε φ 3 6∃ [ > ∆ # ε 5 6 Β Ζ Ι ∗ Ρ { ∗ ∆4 ; ;% ∃ > 2< ? ϑ 7 > Ψγγ]% ∀ ? ϑ # ∀ > 5 ∃ Ψγγ] ( # [ ϑ ≅ ∀ > Ψγγ]% 4 [ ϑ ≅ ∀ ≅ ∀ , ≅ ∀ 2 3 ≅ ∀ ≅ 7 Λ∆ , 7 1 2) 2) ! ≅ ∀ 2 3% Λ7 3 [Β 2 3 ≅ 7Ρ 5 (2 % 678 9% : 7 ; Θ= κΡ Φ Γ Φ3 | Σγ | Doc.edu.vn Ξ94 > 3 > Ψγγ⊥ ΗΦ Φ Κ Ε Φ; 2 > 3 6∃ [ ∆ [ [ 8 ∗ ∆ ∀ 9 ∋∆ , Λ∆ 6 6∴ 2≅ 6∃ ο ∋ ! 2ϑ ≅ ∃ ∃ > 5 (2 φ=κΗΡ Φ Γ =− Η ϑ 5 4 6∃ ϑ ∋ # ∀ >+ ;% − Φ; 2 ( > 3 Β 6< 8 ∼ !4 ∋ ∗ ∆ 6 ! 7 > [Β 2 3 Ρ ∼ !4 ∋% 7ϑ≅ϑ :& ∆3 ∋% Ρ∀ ΞΩ &Σ> ∃ > 3 > ΗΦ Φ Κ Ε Ψγγ⊥ , Ι ∃ > 3 > ∆ # ε φ Ψγγ]% Λ Β Ι ∗ [ ϑ ≅ ∀ ∋94 > 3 > % = ; 2 ( ∃ > 3 ! , ] 5 Ε 5 ΖΡ φ ∆ ΗΦ Φ Κ Ε Ε 5 Ρ Κ Β Ι Ε 5 ]Ρ ΠΒ 2 ΗΦ Φ Κ Ε Ψγγ⊥ = ∃ > 3 [Β 2 ∃ 3 ( ∆4 Ι Ι ( > % Θ= κΡ Φ Γ Φ3 | ΣΣ | Doc.edu.vn Ξ94 > 3 > Ψγγ⊥ ΗΦ Φ Κ Ε φ=κΗΡ Φ Γ =− Η Φ] ≅! θ ρσ ≅ϑΑϑ %?% ϑ ∃ Ρ Σ%Ψγγ Ψ = 6? Ρ %γγγ Ε∗ ; Ρ Σ]%γγγ Λ ! ∼ > > ) κ∆ Η ∆4 >8 ) ( 3 % ) ( ∆4 ( ∋ 3 % = ! ΨγγΖ| Ψγγ] Λ5 ϑ Ρ 56 Η ∋∆ 788≅ Ζ]%Ζν%]Ζγ%Ζ⊥ 788ε ⊥]%νγ⊥%ΖΖ%]ΖΣ πΨπΖ Φ Ρ ∼ > 7884 ππ%Ζγπ%π⊥%π] Ζγ ( ∆4 ≅ϑ7ϑ ,∃> ∆γ τ ? ∋ Β : ο ∋3 > % =∆ > & Σπ|ΣΖ ∗% Λ 3 ΣΖ|Σ⊥ ∆ > > ∗ ! : ∋! 9 & { > ∋{ % Λ) Σ⊥ 9 ∆ > 3 > 9 ∋! 8 5 2Μ 6∗ , > : [Β ∋/ % = 5 − 94 ∗ 5 ∗ , ∀ νγ 5 ∗ 3 ∋ : >∆ Ι > 3 % , Η 5 ϑ ∃ ϑ ∋94 ΗΦ Φ Κ Ε 6Ι Ι ) Ρ Θ= κΡ Φ Γ Φ3 | ΣΨ | Doc.edu.vn Ξ94 > 3 > Ψγγ⊥ ΗΦ Φ Κ Ε ∃ Ζ%ΨΡ ∃ Β Ι > > φ=κΗΡ Φ Γ =− Η ∋94 Λ5 ϑ Ρ ∆ : +44 ≅Α 44 Φ [ , ; ]γγ = % &? Τ ( ∆4 ∆4 > ∗ 1 ∋ 3 ∋! 9 % = ∗ Σ]%γγγ > ∗ ? ) 3 ( 5 ∗ ∋ 3 > > ∋ ! 3 7 > ∃ Σ%γγγ % ∋ ) Ψ ∋) > ∋94% κ∆ Ρ Η∆ > Ρ Ψ%πγγ Ψ Θ ? Ρ π%γγγ Ε∗ ; Ρ Ζγ%γγγ Ε∗ , Φ ∼ > ; Ρ Σγγ ∼ (> Θ 2{ , 6< ∼ Η 5 ϑ ∃ Ι 3 ! [Β [ > ;χ >η Ε 6∃ ο ( ∆4 ∋Ρ • φ3 ] • φ3 Σγ • φ3 Σ] • φ3 Ψγ • φ3 Ψ] Θ∃ ο ≅ , ≅ϑεϑ τ τ &Σ< ΠΤ Ξ% Η&∋ >ι∋ Η&∋ %)∗ Ψγγ⊥ ΗΦ Φ Κ Ε 7 Ζ%ΣΡ 7 φ=κΗΡ Φ Γ =− Η ΨγγΖ : ∗ ( ∆4 Ν , > ∃ Σ]%γγγ 3 ∗ ( > ? > ∃ %γγγ % ∀ ∆4 ; : , ∋ ( ∋3 5 8 ? ΨγγΖ : > ∃ Σγ 8 Β ∋ ∋{ 6∃ ο ∗ ∆4 ∀ ? ∋ > ∗ % Λ ΨγγΖ 9 ! ) ( ϑ > ∋∀ Ζγ%γγγ % ,% ( ∆4 − ∃ ∀ ∃ Ζ%Σ% Ε− ΨγγΖ ∆4 ; ∗ 5 ? ∋ ππΖγ % Η % Τ > 3 3 ∆4 > Ρ κ; ε Β Κ Ε κ∆4 ∀ 6∃ ∋ ! 3 ο ( ∆4 [ / ∗ ( ∆4 3 > Ψγγ⊥ ΗΦ Φ Κ Ε Φ] εϑ ψ ζ ρ} φ=κΗΡ Φ Γ =− Η { Β| εϑΑϑ Β(% ∆4 # 7 / ο : > # ∋∀% ε φ ∋ # > ; 6Ι ∋{ % Λ ! ∀ ∀ ε ∋ # , 6∃ ∋ ! 3 ∋ % κ5 νγ 2∆ ( # ! χ4 ∀ 9 ∋! 7 ∗ ∆4% ε − ∋ # 2 Λ ΘΕΞ , / 9 ∋! 7 ∋ϑ % κ∆ ε φ , ∀ ]ΨΖ 2∆ ∋/ 6∃ ∋ ! ∀ Ζ ∆ % = > Β 9 7 8 Λ ΘΕΞ , ∆ Ι 6∗ ϑ 9 ∋! 7 > > ∗ > , > > 9 ∋3 2ϑ ∆ ∀ ∋/ % ∋ ∗ ∆4 ϑ ∼ ∋% ε φ > ∗ : % Φ ∋ Ψ| , : 6∗ ϑ 3 Β > , > 9 7 ∋/ 3 ∀ 6∗% Τ > χ 6∗ > Β 9 7 Β # 6∴ 2≅ & Ν 4 , Μ ∃ ∋ 9 7% > , > ∃ ; 6∃ [ > ∗ ∆4 ( # ∗ , ϑ 3% εϑΑϑ7ϑ Ω ∃ %ΣΡ Ι ; > 56 ( =∆ Φ ( =∆ Φ ∋∀ Ψγγ] ∋ > ΨγγΣ|Ψγγ] 788Α 7887 788≅ 788ε 7884 ⊥π πΖ Ι ; φΗΚ νγπ νΖ νν Φ Ρ 34 ∃ ∋+ > Φ: > =∆ Φ Ψγγ] 5 Ψγγ φΗΚ πΖ ! [ νν ( Ψγγ% ΛΒ ∋ ? >7 Σν ∋3 ? ∼ ϑ ∋ : >∆ 9 ∋! ∆4 4 ≅ ) 7 6∃ [ > % β =∆ Φ 7 > Θ= κΡ Φ Γ Φ3 5 > − ∼% | Σ] | Doc.edu.vn Ξ94 > 3 > Ψγγ⊥ ∃ %ΨΡ Ε5 > ΗΦ Φ Κ Ε ( =∆ Φ # ∃%&∋ )∗+, φ=κΗΡ Φ Γ =− Η ΨγγΣ|Ψγγ] ! ! ! ! ! ( ! ! (! ∀ ∀!(( ! ! ∀!( !∀ ! ! Φ Ρ 34 ∃ ∋+ > = ∋3 ( =∆ Φ Ψγγ] ! Σγ 2ϑ / 6Ι 2) Ν ∋ ∃ ; ∋3 Ψγγ] Ψγγγ % ∃ %ΖΡ Ξ3 56 Ξ3 ( =∆ Φ γπ 5 ΨγγΣ|Ψγγ] 788Α 7887 788≅ 788ε 7884 Ζ ] ΣγΖ Φ Ρ 34 > 2< Τ? ∋3 Ψγγ] ∀ Σγ > ∆4 ) 3 ∆ ) ; ∗ 6∃ [ 8 , ∆4 : 5 : % =: ∋ ∆ ∋ Β 5 Ι ∋ , [ Β > , > ∆4 Ι Ι ) ; ∗ > 8 ∋ ∃ ∋ − ∋ ∆4 4 : 5 > % 5 Φ Γ ) Φ Ψγγ] # 4 > ∗ > , > 2ϑ / 3 ? > ( # Χ ? , ∃ Ψγγ ΣΣ⊥Σ ο ? % = Ι ; > ∋ : >∆ Ι ∆4 # 3 23 ) ; 6∃ [ > % = 6∃ ∋ ! ∋ 5 Ψγγγ Ψγγ] ∀ Σ%Ψ⊥γ > % Ι ; > ( # ∋ ∗ 5 Ι ; 8 Β ( Ι Ψγγ # ε φ ΣΣ⊥Σ Ι νν Ψγγ] ε φ Ι πΖ% β ( # 7 ∼ ϑ > 5 > ( # − ∼ ∃ %Ρ ∃ 5 > ( # ε φ 56 Φ∗|∋Β | ( 6∃ 788Α Ζ 7887 Ζ 788≅ Ζνν # )∗+, ! ∀!( ! ∀! !∀ (! Φ Ρ Ε≅ 788ε 7884 Ζπ Ζ]π ΣΨ ]Σπ Ι >∀ # ε φ χ : > 7 6Ι ( 2Β − 2) 2) ! ∃ ∆ 8 Β ∋ 5 ∋ ; ∗ ∗ ! ∃ ∆ ∋∆ ; ∃ 5 ) ∗ ∗ ! / Μ [Β 2