Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.truezeroand

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

⇒ logic.propositional.defimpl

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