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