Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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