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