Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.truezeroand

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.defimpl

q || r || ~(~q || r)