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