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