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