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