Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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