-include "ground_2/xoa/ex_2_3.ma".
-include "ground_2/xoa/ex_3_3.ma".
-include "ground_2/xoa/or_5.ma".
-include "ground_2/lib/star.ma".
+include "ground/xoa/ex_2_3.ma".
+include "ground/xoa/ex_3_3.ma".
+include "ground/xoa/or_5.ma".
+include "ground/lib/star.ma".