Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.idempor

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.defimpl

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

⇒ logic.propositional.notnot

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