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