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