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