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