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