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