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