Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.truezeroand

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

⇒ logic.propositional.falsezeroor

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