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