Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.notnot

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