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