Adding is_a and mixins to slots for permissible_value.

cmungall · cmungall · commit b2e55ec5d6ad · 2024-05-08T15:42:06.000-07:00
Fixes linkml/linkml#1680
diff --git a/linkml_model/model/schema/meta.yaml b/linkml_model/model/schema/meta.yaml
@@ -3104,6 +3104,8 @@ classes:
       - unit
       - instantiates
       - implements
+      - is_a
+      - mixins
     in_subset:
       - SpecificationSubset
       - BasicSubset
