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