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