Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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