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