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