Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.absorpand

q || ~~p

⇒ logic.propositional.notnot

q || p