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