Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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