Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
![](http://ideas.cs.uu.nl/images/external.png)
q || ~(~q || r) || (T /\ r)
⇒ logic.propositional.demorganorq || (~~q /\ ~r) || (T /\ r)
⇒ logic.propositional.notnotq || (q /\ ~r) || (T /\ r)
⇒ logic.propositional.absorporq || (T /\ r)
⇒ logic.propositional.truezeroandq || r