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