Tidying up problems.ml

[fireball-separation.git] / ocaml / num.mli

diff --git a/ocaml/num.mli b/ocaml/num.mli
index c981cff265d6caef63438ef3c806be7ff87513a0..9cf81ccdd113e52d6162960d9edaff27de6c8648 100644 (file)
--- a/ocaml/num.mli
+++ b/ocaml/num.mli
@@ -22,6 +22,7 @@ val arity_of_hd : i_n_var -> int
 (* put t under n lambdas, lifting t accordingtly *)
 val make_lams : nf -> int -> nf
 val lift : int -> nf -> nf
+val free_vars' : nf -> var list
 val free_vars : nf -> int list
 module ToScott :
   sig
@@ -43,5 +44,6 @@ val parse' : string list -> nf list * string list
 val eta_compare : nf -> nf -> int
 val eta_eq : [< nf ] -> [< nf ] -> bool
 val eta_subterm : [< nf ] -> [< nf ] -> bool
-val max_arity_tms : int -> [< nf] list -> int
+val max_arity_tms : int -> [< nf] list -> int option
 val compute_arities : int -> int -> nf list -> int list
+val minus1 : int -> int