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