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