This is my question: Prove if , then A= . I started my proof like this: Let Then this means that Im stuck right here.
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I think you meant x is an element of B OR x is an element of C.
A is a subset of (B union C) means that
A = A intersect (B union C)
then apply the distributive law... (thanks grandad ;p)
Last edited by billa; Feb 8th 2010 at 01:35 PM.
Hello everyone Originally Posted by billa ...then apply de morgan's law I'm sure billa means the Distributive Law.
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