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  1. #1
      Eiman
    Jul 2011
    -
    14,750

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    : ( )
    : ( )
    : ء ȡ ϡ
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    ++++++++++++++++++++++++++++++++++++++++++++++++++ +++++
    1 2

    1
    1

    1 2

    1 2 1 ∩ 2

    1 2
    1 2 1 U 2


    1 2
    1 - 2

    1 ∩ 2


    1 2
    1 ∩ 2

    (1 U 2 )

    1 2

    1 2
    1 U 2

    (1 ∩ 2 )
    :
    ( 1 ) 1 2 1 ∩ 2 = ф
    (1 ∩ 2) =
    (1 U 2) = (1) + (2)

    ( 2 ) 1 2 1 U 2 =
    (1 U 2 ) = 1

    ( 3 ) 1 2 1 ∩ 2 = ф 1 U 2 =
    (1 ∩ 2) = (1 U 2 ) = 1 (1) + (2) = 1

    ( 3 ) 1 2 (1) = (1/2) (2) = (2 / 1 )
    (1 ∩ 2) = (1) (2)

    +++++++++++++++++++++++++++++++++
    1 2

    ( 1 ) (1 U 2) = (1) + (2) (1 ∩ 2)

    ( 2 ) (1 2) = (1) - ( 1 ∩ 2 )


    ( 3 ) (1 / 2 ) =

    +++++++++++++++++++++++++++++

    ( 1 ) 0 ≤ () ≤ 1 () = 1 ( ф ) =

    ( 2 ) ( ) = 1 - ( )

    ( 3 ) 1 2 (1 / 2) = (1 / 2 )

    ( 4 ) 1 2

    (1 ∩ 2) = (1)
    (1 U 2) = (2)
    (1 2 ) =
    (2 1 ) = (2) (1)
    .......

  2. #2

    Aug 2011
    1,442

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  3. #3

    Jul 2011
    -
    15,678

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  4. #4
      Eiman
    Jul 2011
    -
    14,750

    :


    .......

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