Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.falsezeroor

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

⇒ logic.propositional.absorpand

q || ~~p

⇒ logic.propositional.notnot

q || p