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