Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempand

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

⇒ logic.propositional.notnot

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