Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

F || (((F /\ r) || ~~p || q) /\ ((F /\ r) || q || ~~p))

⇒ logic.propositional.notnot

F || (((F /\ r) || p || q) /\ ((F /\ r) || q || ~~p))