Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

(r /\ F) || q || ~(p -> F)

⇒ logic.propositional.defimpl

(r /\ F) || q || ~(~p || F)

⇒ logic.propositional.falsezeroor

(r /\ F) || q || ~~p