Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

((~~p || ~~F) /\ (~~p || r)) || q

⇒ logic.propositional.notnot

((p || ~~F) /\ (~~p || r)) || q

⇒ logic.propositional.notnot

((p || F) /\ (~~p || r)) || q

⇒ logic.propositional.falsezeroor

(p /\ (~~p || r)) || q

⇒ logic.propositional.notnot

(p /\ (p || r)) || q

⇒ logic.propositional.absorpand

p || q