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