Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
![](http://ideas.cs.uu.nl/images/external.png)
~~p || F || q || (F /\ r) || q
⇒ logic.propositional.falsezeroand~~p || F || q || F || q
⇒ logic.propositional.falsezeroor~~p || q || F || q
⇒ logic.propositional.falsezeroor~~p || q || q
⇒ logic.propositional.idempor~~p || q