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