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