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