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