@@ -0,0 +1,193 @@
+package it.unical.mat.embasp.language.asp;%0A%0Aimport it.unical.mat.embasp.languages.Predicate;%0A%0A@Predicate(%22a%22)%0Apublic class Arity0 %7B%0A%0A%09@Override%0A%09public String toString() %7B%0A%09%09return %22a%22;%0A%09%7D%0A%09%0A%7D%0A

Add test class Arity0