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