Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.falsezeroor

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