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.falsezeroand~(F || ~(F || q || ~~(p || F)))
⇒ logic.propositional.falsezeroor~~(F || q || ~~(p || F))
⇒ logic.propositional.falsezeroor~~(q || ~~(p || F))
⇒ logic.propositional.notnot~~(q || p || F)
⇒ logic.propositional.falsezeroor~~(q || p)
⇒ logic.propositional.demorganor~(~q /\ ~p)