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