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