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