(* given an uri of a constant, it gives back the uri of its body *)
(* it gives back None if the uri refers to a Variable or MutualInductiveType *)
val bodyuri_of_uri : uri -> uri option
(* given an uri of a constant, it gives back the uri of its body *)
(* it gives back None if the uri refers to a Variable or MutualInductiveType *)
val bodyuri_of_uri : uri -> uri option