Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.idempand

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