Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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