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