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