Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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