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