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