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