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