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