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