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