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