Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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