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