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