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