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.defimpl~(q -> r) || ~(~q || r || ~q || r) || q || r
⇒ logic.propositional.idempor~(q -> r) || ~(~q || r) || q || r