Boolean Algebra guidance

Discussion in 'Math' started by chengie.teo, Feb 15, 2011.

  1. chengie.teo

    Thread Starter New Member

    Feb 15, 2011
    3
    1
    If I have an expression A.B'.C.D + (A'+B+C+D') can I write use De Morgan's law on the 2nd part of it to become A.B'.C.D + (A.B'.C'.D)?

    Is A'+B+C+D' = A.B'.C'.D??
     
  2. haykp

    New Member

    Oct 7, 2010
    18
    0
    A'+b+c+d' = a'+ ((b+c+d')')' = (a*(b+c+d')')' = (a*b'*(c+d')')' = (a*b'*c'*d)'
     
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