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