Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.idempor

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

⇒ logic.propositional.notnot

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