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    Boolean Expression Simplification: Z = P.Q.R + P.R

    I have been trying to figure out how to apply the Boolean algebra laws to simplify questions like these below: Z = P.Q.R + P.R = Q.P+R (Commutative Law, idempotent Law) = Q.P+Q.R Distributive Law z=A.B.C+A.B.C+A.B.~C+A.B.C I have no clue if what I had done above is correct or not and am...
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