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