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