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