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