Basic Cancer R A+AB=A+B R A+AB =A1+A'B (Identity) =A(1+B)+AB (Identity) =A1+AB+A'B (Distributive =A+B(A+A) (Distributive) =A+B1 (identity) =A+BBasic Concept A+A’B=A+B A+A’B =A1+A’B (Identity) =A(1+B)+A’B (Identity) =A1+AB+A’B (Distributive) =A+B(A’+A) (Distributive) =A+B1 (identity) =A+B