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