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