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