diff --git a/e.smv b/e.smv
new file mode 100644
index 0000000..37ebf7e
--- /dev/null
+++ b/e.smv
@@ -0,0 +1,8 @@
+MODULE e
+  VAR
+    e : { e };
+  ASSIGN
+    init(e) := e;
+    next(e) := e;
+    esac;
+  SPEC AG ( TRUE -> AF e = e)