Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroand

q || (~p -> (F || q))

⇒ logic.propositional.falsezeroor

q || (~p -> q)

⇒ logic.propositional.defimpl

q || ~~p || q

⇒ logic.propositional.notnot

q || p || q