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