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