Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.falsezeroor

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