Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished
~~(((q /\ ~~q) || p) /\ ~q) /\ ((q /\ q /\ q /\ q) || ~r)
logic.propositional.idempand
~~(((q /\ ~~q) || p) /\ ~q) /\ ((q /\ q) || ~r)
logic.propositional.idempand
~~(((q /\ ~~q) || p) /\ ~q) /\ (q || ~r)