R A function is a term used in mathematics and logic to denote a relationshil between input and output variables R Each variable is restricted to binary(0, 1) values R The relationship is the complex of three primitive functions(And\Not\Or)A function is a term used in mathematics and logic to denote a relationship between input and output variables. Each variable is restricted to binary (0,1) values The relationship is the complex of three primitive functions (And\Not\Or)