(* This module implements the Coercions transitive closure *)
val close_coercion_graph:
+ RefinementTool.kit ->
CoercDb.coerc_carr -> CoercDb.coerc_carr -> UriManager.uri ->
+ string (* baseuri *) ->
(CoercDb.coerc_carr * CoercDb.coerc_carr * UriManager.uri * Cic.obj) list