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