Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.notnot

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