Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
~~p || ~~(F || (F /\ r)) || q
⇒ logic.propositional.notnotp || ~~(F || (F /\ r)) || q
⇒ logic.propositional.notnotp || F || (F /\ r) || q
⇒ logic.propositional.absorporp || F || q
⇒ logic.propositional.falsezeroorp || q