Rules of Boolean Algebra - mbits-mirafra/digitalDesignCourse GitHub Wiki

Null Rule

As the rule states ‘null’, which means that when 1 is added i.e., ‘OR’ and when 0 is ‘AND’ with a variable it gives 1 and 0 respectively.

Identity Rule

As the rule states ‘identity’ which means that when 0 is added i.e., ‘OR’ and when 1 is ‘AND’ with a variable it gives the variable back.

Complement Rule

Whenever ‘AND’ or ‘OR’ is used with the negation of the variable and the variable itself it gives 0 and 1 respectively.

Involution Rule

Any variable when double negated gives the variable back.