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