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