(* STUFF TO MANAGE IDENTIFIERS *)
type id = string (* the abstract type of the (annotated) node identifiers *)
type 'term explicit_named_substitution = (UriManager.uri * 'term) list
(* STUFF TO MANAGE IDENTIFIERS *)
type id = string (* the abstract type of the (annotated) node identifiers *)
type 'term explicit_named_substitution = (UriManager.uri * 'term) list