Cic.metasenv * int
val depend : equality -> int -> bool
val compare : equality -> equality -> int
+val max_weight_in_proof : int-> proof -> int
+val max_weight : goal_proof -> proof -> int
val string_of_equality : ?env:Utils.environment -> equality -> string
val string_of_proof :
?names:(Cic.name option)list -> proof -> goal_proof -> string