Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
(T /\ F /\ r) || (~q -> ~~p)
⇒ logic.propositional.notnot(T /\ F /\ r) || (~q -> p)
⇒ logic.propositional.defimpl(T /\ F /\ r) || ~~q || p
⇒ logic.propositional.notnot(T /\ F /\ r) || q || p