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) /\ T
⇒ logic.propositional.idempand((~q /\ ~(p -> q)) -> p) /\ ((~q /\ ~(p -> q)) -> p) /\ T
⇒ logic.propositional.defimpl((~q /\ ~(p -> q)) -> p) /\ ((~q /\ ~(~p || q)) -> p) /\ T