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