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