ibc
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Homework Statement
just the very beginning of the course, a simple problem, but I don't know how to write it in the "formal" way, so I need help with that.
Homework Equations
Need to prove that
A\(B\C) = (A\B)Ú(A∩C)
(forget about the little line in the Ú, just the only thing I found =\ )
The Attempt at a Solution
I see why this is true, I just have no idea how to write it formally