Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.notnot

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