The positive rational numbers form a multiplicative group.
*)
-inline procedural "cic:/CoRN/model/groups/Qposgroup/Qpos_is_CGroup.con".
+inline procedural "cic:/CoRN/model/groups/Qposgroup/Qpos_is_CGroup.con" as lemma.
-inline procedural "cic:/CoRN/model/groups/Qposgroup/Qpos_as_CGroup.con".
+inline procedural "cic:/CoRN/model/groups/Qposgroup/Qpos_as_CGroup.con" as definition.