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