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Boolean Algebra

  1. Dec 7, 2016 #1
    1. The problem statement, all variables and given/known data

    By using a truth table show that the expressions

    https://www.dropbox.com/s/zv3gwqz75g596si/bool.jpg?dl=0

    are the same

    2. Relevant equations


    3. The attempt at a solution

    So I have been looking at this for ages and just cannot see how they are the same. My truth tables are below. The truth table for the first half has 4 true values, where as the truth table for the second has only 1. I think this is because the first half has two expressions which ignore either B or A.


    https://www.dropbox.com/s/m0q4k2bqvr2xctc/table.jpg?dl=0
     
    Last edited: Dec 7, 2016
  2. jcsd
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