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