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