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