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