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