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