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