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