+###### INTERPRETATION NUMBER 1 ######
+### (* disambiguation environment *)
+alias id O = cic:/Coq/Init/Datatypes/nat.ind#xpointer(1/1/1)
+alias id eq = cic:/Coq/Init/Logic/eq.ind#xpointer(1/1)
+alias id le = cic:/Coq/Init/Peano/le.ind#xpointer(1/1)
+alias id le_n = cic:/Coq/Init/Peano/le.ind#xpointer(1/1/1)
+alias id nat = cic:/Coq/Init/Datatypes/nat.ind#xpointer(1/1)
+alias id refl_equal = cic:/Coq/Init/Logic/eq.ind#xpointer(1/1/1)