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