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