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