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