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