-include "ground_2/xoa/ex_1_2.ma".
-include "ground_2/xoa/ex_1_3.ma".
-include "ground_2/xoa/ex_3_3.ma".
-include "ground_2/lib/star.ma".
-include "ground_2/lib/lstar_2a.ma".
+include "ground/xoa/ex_1_2.ma".
+include "ground/xoa/ex_1_3.ma".
+include "ground/xoa/ex_3_3.ma".
+include "ground/lib/star.ma".
+include "ground/lib/lstar_2a.ma".