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