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.defimpl~~((F /\ r) || q || ~~p || F || q || ~~p)
⇒ logic.propositional.falsezeroor~~((F /\ r) || q || ~~p || q || ~~p)
⇒ logic.propositional.idempor~~((F /\ r) || q || ~~p)
⇒ logic.propositional.notnot~~((F /\ r) || q || p)