(* *)
(**************************************************************************)
-include "paths/path.ma".
-include "terms/sequential_reduction.ma".
+include "lambda/paths/path.ma".
+include "lambda/terms/sequential_reduction.ma".
+
+include "lambda/notation/relations/seqred_3.ma".
+
+include "lambda/xoa/ex_2_2.ma".
(* PATH-LABELED SEQUENTIAL REDUCTION (SINGLE STEP) **************************)