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