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