Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.defimpl

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.idempor

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