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