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