Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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