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