Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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

⇒ logic.propositional.absorpor

F || F || q || ~~p

⇒ logic.propositional.falsezeroor

F || q || ~~p

⇒ logic.propositional.notnot

F || q || p