diff --git a/src/main/clojure/de/halbordnung/ontologies/tqme/core.clj b/src/main/clojure/de/halbordnung/ontologies/tqme/core.clj
index 2840b9b..b2cb9d5 100644
--- a/src/main/clojure/de/halbordnung/ontologies/tqme/core.clj
+++ b/src/main/clojure/de/halbordnung/ontologies/tqme/core.clj
@@ -179,3 +179,36 @@
 
     )
   )
+
+(defn perm-gen-full
+  [ctor relation class]
+  (owl-and
+    (owl-some b/has_history
+              (owl-some b/has_occurrent_part
+                        (owl-some has-phase
+                                  (ctor relation
+                                        (owl-some phase-of
+                                                  (owl-some b/occurrent_part_of
+                                                            (owl-some b/history_of class)
+                                                            )
+                                                  )
+                                        )
+                                  )
+                        )
+              )
+    (owl-only b/has_history
+              (owl-only b/has_occurrent_part
+                        (owl-only has-phase
+                                  (ctor relation
+                                        (owl-some phase-of
+                                                  (owl-some b/occurrent_part_of
+                                                            (owl-some b/history_of class)
+                                                            )
+                                                  )
+                                        )
+                                  )
+                        )
+              )
+
+    )
+  )
diff --git a/src/test/clojure/de/halbordnung/ontologies/tqme/cq.clj b/src/test/clojure/de/halbordnung/ontologies/tqme/cq.clj
index 37a8022..98f405e 100644
--- a/src/test/clojure/de/halbordnung/ontologies/tqme/cq.clj
+++ b/src/test/clojure/de/halbordnung/ontologies/tqme/cq.clj
@@ -299,11 +299,11 @@
   (o/disjoint-classes to (list blood-volume red-blood-cell oxygen-molecule))
 
   (o/add-superclass to red-blood-cell
-                    (c/perm-gen o/owl-some b/has_continuant_part_at_all_times
+                    (c/perm-gen-full o/owl-some b/has_continuant_part_at_all_times
                                                                   oxygen-molecule))
 
   (o/add-superclass to blood-volume
-                    (c/perm-gen o/owl-some b/has_continuant_part_at_all_times
+                    (c/perm-gen-full o/owl-some b/has_continuant_part_at_all_times
                                                                       red-blood-cell))
   (is (r/consistent? to)
       "Consistent TQME ontology for transitive permanent generic parthood")