I have been stumped by a simplification problem - well, I can solve it, but I'm not sure how to do it axiomatically!(adsbygoogle = window.adsbygoogle || []).push({});

The expression is A(B+C)+B'D+C'D'

I can see that the (B+C) is redundant in the first term - if A is true, the whole is true regardless of (B+C)'s value. So it reduces to A+B'D+C'D'

What axioms are used in the proof of this? Thanks!

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# Boolean expression reduction

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