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