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