Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.defimpl

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