Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
Final term is not finished
~~~~(~q /\ (q || p)) /\ (~q -> ~r)
⇒ logic.propositional.defimpl~~~~(~q /\ (q || p)) /\ (~~q || ~r)
⇒ logic.propositional.notnot~~~~(~q /\ (q || p)) /\ (q || ~r)