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