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