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