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