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