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