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