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