Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.absorpand

q || ~(~p || ~p)

⇒ logic.propositional.idempor

q || ~~p

⇒ logic.propositional.notnot

q || p