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