Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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