problem with reduction

Discussion in 'Homework Help' started by mapisto, Dec 7, 2011.

  1. mapisto

    Thread Starter Member

    Dec 25, 2009
    36
    0
    I need to know if the reduction in the pictute is ok or if it's a mistake.

    I've marked it red.

    thanks!
     
  2. Georacer

    Moderator

    Nov 25, 2009
    5,142
    1,266
    I 'm afraid not. Try to work it from the other side to confirm it:

    (B XOR D)'(A XOR C)'=
    (BD+B'D')(A XOR C)'<>BD+B'D'(A XOR C)'

    Care to give it another try?
     
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