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