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