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