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