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