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