Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.truezeroand

((q || F) -> r) -> (q || r)

⇒ logic.propositional.falsezeroor

(q -> r) -> (q || r)