This is my question: Prove if , then A= . I started my proof like this: Let Then this means that Im stuck right here.
Follow Math Help Forum on Facebook and Google+
I think you meant x is an element of B OR x is an element of C. try this... 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 02:35 PM.
Hello everyone Originally Posted by billa ...then apply de morgan's law I'm sure billa means the Distributive Law. Grandad
View Tag Cloud