| View: | Hide Browser | Browser on the left | Browser on the right | Dictionary |
| Report: | General Info | Constrained Elements |
| General Info | |
| Name | Language_valid |
| Expression | inv: language <> Void implies code_set(Code_set_id_languages).has_code(language)) |
| Base Classes | Class |
| Constrained Elements | |
| Name | Type |
| DV_TEXT | Class |