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