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