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