Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.defimpl

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