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