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