Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

(~(q -> r) || q || r) /\ (q || ~(q -> r) || r)

⇒ logic.propositional.defimpl

(~(q -> r) || q || r) /\ (q || ~(~q || r) || r)

⇒ logic.propositional.demorganor

(~(q -> r) || q || r) /\ (q || (~~q /\ ~r) || r)

⇒ logic.propositional.notnot

(~(q -> r) || q || r) /\ (q || (q /\ ~r) || r)

⇒ logic.propositional.absorpor

(~(q -> r) || q || r) /\ (q || r)