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