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