Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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