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