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