finally rename everything to term, t_, T* etc

examples/use_api.ml

@@ -28,9 +28,9 @@ the alt-ergo prover to check them
 open Why
 
 (* a ground propositional goal: true or false *)
-let fmla_true : Term.fmla = Term.f_true
-let fmla_false : Term.fmla = Term.f_false
-let fmla1 : Term.fmla = Term.f_or fmla_true fmla_false
+let fmla_true : Term.term = Term.t_true
+let fmla_false : Term.term = Term.t_false
+let fmla1 : Term.term = Term.t_or fmla_true fmla_false
 
 (* printing it *)
 open Format
@@ -41,9 +41,9 @@ let () = printf "@[formula 1 is:@ %a@]@." Pretty.print_term fmla1
 
 let prop_var_A : Term.lsymbol = Term.create_psymbol (Ident.id_fresh "A") []
 let prop_var_B : Term.lsymbol = Term.create_psymbol (Ident.id_fresh "B") []
-let atom_A : Term.fmla = Term.ps_app prop_var_A []
-let atom_B : Term.fmla = Term.ps_app prop_var_B []
-let fmla2 : Term.fmla = Term.f_implies (Term.f_and atom_A atom_B) atom_A
+let atom_A : Term.term = Term.ps_app prop_var_A []
+let atom_B : Term.term = Term.ps_app prop_var_B []
+let fmla2 : Term.term = Term.t_implies (Term.t_and atom_A atom_B) atom_A
 let () = printf "@[formula 2 is:@ %a@]@." Pretty.print_term fmla2
 
 
@@ -124,7 +124,7 @@ let plus_symbol : Term.lsymbol =
   Theory.ns_find_ls int_theory.Theory.th_export ["infix +"]
 let two_plus_two : Term.term = Term.fs_app plus_symbol [two;two] Ty.ty_int
 let two_plus_two : Term.term = Term.t_app_infer plus_symbol [two;two] 
-let fmla3 : Term.fmla = Term.f_equ two_plus_two four
+let fmla3 : Term.term = Term.t_equ two_plus_two four
 
 let task3 = None
 let task3 = Task.use_export task3 int_theory
@@ -156,12 +156,12 @@ let var_x : Term.vsymbol =
 let x : Term.term = Term.t_var var_x
 let x_times_x : Term.term = 
   Term.t_app_infer mult_symbol [x;x] 
-let fmla4_aux : Term.fmla = 
+let fmla4_aux : Term.term = 
   Term.ps_app ge_symbol [x_times_x;zero]
-let fmla4_quant : Term.fmla_quant = 
-  Term.f_close_quant [var_x] [] fmla4_aux
-let fmla4 : Term.fmla =
-  Term.f_forall fmla4_quant
+let fmla4_quant : Term.term_quant = 
+  Term.t_close_quant [var_x] [] fmla4_aux
+let fmla4 : Term.term =
+  Term.t_forall fmla4_quant
 
 let task4 = None
 let task4 = Task.use_export task4 int_theory

src/coq-plugin/whytac.ml

@@ -747,7 +747,7 @@ and tr_formula dep tvm bv env f =
 	let ty = type_of env Evd.empty t in
 	if is_Set ty || is_Type ty then
 	  let _ = tr_type dep tvm env t in
-	  Term.f_equ (tr_term dep tvm bv env a) (tr_term dep tvm bv env b)
+	  Term.t_equ (tr_term dep tvm bv env a) (tr_term dep tvm bv env b)
 	else
 	  raise NotFO
     (* comparisons on integers *)
@@ -778,29 +778,29 @@ and tr_formula dep tvm bv env f =
 	Term.f_app ls [tr_term dep tvm bv env a; tr_term dep tvm bv env b]
     (* propositional logic *)
     | _, [] when c = build_coq_False () ->
-	Term.f_false
+	Term.t_false
     | _, [] when c = build_coq_True () ->
-	Term.f_true
+	Term.t_true
     | _, [a] when c = build_coq_not () ->
-	Term.f_not (tr_formula dep tvm bv env a)
+	Term.t_not (tr_formula dep tvm bv env a)
     | _, [a;b] when c = build_coq_and () ->
-	Term.f_and (tr_formula dep tvm bv env a) (tr_formula dep tvm bv env b)
+	Term.t_and (tr_formula dep tvm bv env a) (tr_formula dep tvm bv env b)
     | _, [a;b] when c = build_coq_or () ->
-	Term.f_or (tr_formula dep tvm bv env a) (tr_formula dep tvm bv env b)
+	Term.t_or (tr_formula dep tvm bv env a) (tr_formula dep tvm bv env b)
     | _, [a;b] when c = Lazy.force coq_iff ->
-	Term.f_iff (tr_formula dep tvm bv env a) (tr_formula dep tvm bv env b)
+	Term.t_iff (tr_formula dep tvm bv env a) (tr_formula dep tvm bv env b)
     | Prod (n, a, b), _ ->
 	if is_imp_term f && is_Prop (type_of env Evd.empty a) then
-	  Term.f_implies
+	  Term.t_implies
 	    (tr_formula dep tvm bv env a) (tr_formula dep tvm bv env b)
 	else
 	  let vs, _t, bv, env, b = quantifiers n a b dep tvm bv env in
-	  Term.f_forall_close [vs] [] (tr_formula dep tvm bv env b)
+	  Term.t_forall_close [vs] [] (tr_formula dep tvm bv env b)
     | _, [_; a] when c = build_coq_ex () ->
 	begin match kind_of_term a with
 	  | Lambda(n, a, b) ->
 	      let vs, _t, bv, env, b = quantifiers n a b dep tvm bv env in
-	      Term.f_exists_close [vs] [] (tr_formula dep tvm bv env b)
+	      Term.t_exists_close [vs] [] (tr_formula dep tvm bv env b)
 	  | _ ->
 	      (* unusual case of the shape (ex p) *)
 	      (* TODO: we could eta-expanse *)
@@ -856,10 +856,10 @@ let tr_goal gl =
 	    let ty = tr_type dep tvm env ty in (* DO NOT INLINE! *)
 	    let vs = Term.create_vsymbol (preid_of_id id) ty in
 	    let bv = Idmap.add id vs bv in
-	    Term.f_forall_close [vs] [] (tr_ctxt tvm bv ctxt)
+	    Term.t_forall_close [vs] [] (tr_ctxt tvm bv ctxt)
 	  else if is_Prop t then
 	    let h = tr_formula dep tvm bv env ty in (* DO NOT INLINE! *)
-	    Term.f_implies h (tr_ctxt tvm bv ctxt)
+	    Term.t_implies h (tr_ctxt tvm bv ctxt)
 	  else
 	    raise NotFO
 	with NotFO ->

src/core/decl.ml

@@ -33,7 +33,7 @@ type ty_decl = tysymbol * ty_def
 
 (** Logic declaration *)
 
-type ls_defn = lsymbol * fmla
+type ls_defn = lsymbol * term
 
 type logic_decl = lsymbol * ls_defn option
 
@@ -49,19 +49,19 @@ let check_tl ty t = ty_equal_check ty (t_type t)
 
 let make_ls_defn ls vl t =
   let hd = t_app ls (List.map t_var vl) t.t_ty in
-  let hd = e_fold f_equ f_iff hd t in
-  let fd = f_forall_close vl [] hd in
+  let hd = TermTF.t_selecti t_equ t_iff hd t in
+  let fd = t_forall_close vl [] hd in
   List.iter2 check_vl ls.ls_args vl;
   t_ty_check t ls.ls_value;
   ls, Some (ls, check_fvs fd)
 
 let open_ls_defn (_,f) =
   let vl,_,f = match f.t_node with
-    | Fquant (Fforall,b) -> f_open_quant b
+    | Tquant (Tforall,b) -> t_open_quant b
     | _ -> [],[],f in
   match f.t_node with
     | Tapp (_, [_; f])
-    | Fbinop (_, _, f) -> vl,f
+    | Tbinop (_, _, f) -> vl,f
     | _ -> assert false
 
 let ls_defn_axiom (_,f) = f
@@ -124,8 +124,8 @@ let build_call_graph cgr syms ls =
           let p,t = t_open_branch b in
           let vml = match_term vm e [vm] p in
           List.iter (fun vm -> term vm () t) vml) bl
-    | Fquant (_,b) ->
-        let _,_,f = f_open_quant b in term vm () f
+    | Tquant (_,b) ->
+        let _,_,f = t_open_quant b in term vm () f
     | _ -> t_fold (term vm) () t
   in
   fun (vl,e) ->
@@ -245,7 +245,7 @@ let pr_hash pr = id_hash pr.pr_name
 
 let create_prsymbol n = { pr_name = id_register n }
 
-type ind_decl = lsymbol * (prsymbol * fmla) list
+type ind_decl = lsymbol * (prsymbol * term) list
 
 (** Proposition declaration *)
 
@@ -255,7 +255,7 @@ type prop_kind =
   | Pgoal     (* prove, do not use as a premise *)
   | Pskip     (* do not prove, do not use as a premise *)
 
-type prop_decl = prop_kind * prsymbol * fmla
+type prop_decl = prop_kind * prsymbol * term
 
 (** Declaration type *)
 
@@ -431,11 +431,11 @@ let t_pos_ps sps = t_s_all (fun _ -> true) (fun s -> not (ls_mem s sps))
 let rec f_pos_ps sps pol f = match f.t_node, pol with
   | Tapp (s, _), Some false when ls_mem s sps -> false
   | Tapp (s, _), None when ls_mem s sps -> false
-  | Fbinop (Fiff, f, g), _ ->
+  | Tbinop (Tiff, f, g), _ ->
       f_pos_ps sps None f && f_pos_ps sps None g
-  | Fbinop (Fimplies, f, g), _ ->
+  | Tbinop (Timplies, f, g), _ ->
       f_pos_ps sps (option_map not pol) f && f_pos_ps sps pol g
-  | Fnot f, _ ->
+  | Tnot f, _ ->
       f_pos_ps sps (option_map not pol) f
   | Tif (f,g,h), _ ->
       f_pos_ps sps None f && f_pos_ps sps pol g && f_pos_ps sps pol h
@@ -447,9 +447,9 @@ let create_ind_decl idl =
   let sps = List.fold_left add Sls.empty idl in
   let check_ax ps (syms,news) (pr,f) =
     let rec clause acc f = match f.t_node with
-      | Fquant (Fforall, f) ->
-          let _,_,f = f_open_quant f in clause acc f
-      | Fbinop (Fimplies, g, f) -> clause (g::acc) f
+      | Tquant (Tforall, f) ->
+          let _,_,f = t_open_quant f in clause acc f
+      | Tbinop (Timplies, g, f) -> clause (g::acc) f
       | _ -> (acc, f)
     in
     let cls, f = clause [] (check_fvs f) in
@@ -532,9 +532,9 @@ let decl_map_fold fn acc d = match d.d_node with
       acc, create_prop_decl k pr f
 
 module DeclTF = struct
-let decl_map fnT fnF = decl_map (e_map fnT fnF)
-let decl_fold fnT fnF = decl_fold (e_fold fnT fnF)
-let decl_map_fold fnT fnF = decl_map_fold (e_fold fnT fnF)
+  let decl_map fnT fnF = decl_map (TermTF.t_select fnT fnF)
+  let decl_fold fnT fnF = decl_fold (TermTF.t_selecti fnT fnF)
+  let decl_map_fold fnT fnF = decl_map_fold (TermTF.t_selecti fnT fnF)
 end
 
 (** Known identifiers *)

src/core/decl.mli

@@ -43,7 +43,7 @@ val make_ls_defn : lsymbol -> vsymbol list -> term -> logic_decl
 
 val open_ls_defn : ls_defn -> vsymbol list * term
 
-val ls_defn_axiom : ls_defn -> fmla
+val ls_defn_axiom : ls_defn -> term
 
 val check_termination : logic_decl list -> (int list) Mls.t
 (** [check_termination ldl] returns a mapping of every logical
@@ -69,7 +69,7 @@ val pr_equal : prsymbol -> prsymbol -> bool
 
 val pr_hash : prsymbol -> int
 
-type ind_decl = lsymbol * (prsymbol * fmla) list
+type ind_decl = lsymbol * (prsymbol * term) list
 
 (* Proposition declaration *)
 
@@ -79,7 +79,7 @@ type prop_kind =
   | Pgoal     (* prove, do not use as a premise *)
   | Pskip     (* do not prove, do not use as a premise *)
 
-type prop_decl = prop_kind * prsymbol * fmla
+type prop_decl = prop_kind * prsymbol * term
 
 (** {2 Declaration type} *)
 
@@ -108,7 +108,7 @@ val d_hash : decl -> int
 val create_ty_decl : ty_decl list -> decl
 val create_logic_decl : logic_decl list -> decl
 val create_ind_decl : ind_decl list -> decl
-val create_prop_decl : prop_kind -> prsymbol -> fmla -> decl
+val create_prop_decl : prop_kind -> prsymbol -> term -> decl
 
 (* exceptions *)
 
@@ -137,12 +137,12 @@ val decl_map_fold : ('a -> term -> 'a * term) -> 'a -> decl -> 'a * decl
 
 module DeclTF : sig
 
-val decl_map : (term -> term) -> (fmla -> fmla) -> decl -> decl
+  val decl_map : (term -> term) -> (term -> term) -> decl -> decl
 
-val decl_fold : ('a -> term -> 'a) -> ('a -> fmla -> 'a) -> 'a -> decl -> 'a
+  val decl_fold : ('a -> term -> 'a) -> ('a -> term -> 'a) -> 'a -> decl -> 'a
 
-val decl_map_fold : ('a -> term -> 'a * term) ->
-                    ('a -> fmla -> 'a * fmla) -> 'a -> decl -> 'a * decl
+  val decl_map_fold : ('a -> term -> 'a * term) ->
+                      ('a -> term -> 'a * term) -> 'a -> decl -> 'a * decl
 end
 
 (** {2 Known identifiers} *)
@@ -160,8 +160,8 @@ exception NonExhaustiveCase of pattern list * term
 exception NonFoundedTypeDecl of tysymbol
 
 val find_constructors : known_map -> tysymbol -> lsymbol list
-val find_inductive_cases : known_map -> lsymbol -> (prsymbol * fmla) list
+val find_inductive_cases : known_map -> lsymbol -> (prsymbol * term) list
 val find_logic_definition : known_map -> lsymbol -> ls_defn option
-val find_prop : known_map -> prsymbol -> fmla
-val find_prop_decl : known_map -> prsymbol -> prop_kind * fmla
+val find_prop : known_map -> prsymbol -> term
+val find_prop_decl : known_map -> prsymbol -> prop_kind * term
 

src/core/pretty.ml

@@ -166,20 +166,20 @@ let print_vsty fmt v =
   fprintf fmt "%a:@,%a" print_vs v print_ty v.vs_ty
 
 let print_quant fmt = function
-  | Fforall -> fprintf fmt "forall"
-  | Fexists -> fprintf fmt "exists"
+  | Tforall -> fprintf fmt "forall"
+  | Texists -> fprintf fmt "exists"
 
 let print_binop fmt = function
-  | Fand -> fprintf fmt "and"
-  | For -> fprintf fmt "or"
-  | Fimplies -> fprintf fmt "->"
-  | Fiff -> fprintf fmt "<->"
+  | Tand -> fprintf fmt "and"
+  | Tor -> fprintf fmt "or"
+  | Timplies -> fprintf fmt "->"
+  | Tiff -> fprintf fmt "<->"
 
 let prio_binop = function
-  | Fand -> 3
-  | For -> 2
-  | Fimplies -> 1
-  | Fiff -> 1
+  | Tand -> 3
+  | Tor -> 2
+  | Timplies -> 1
+  | Tiff -> 1
 
 let print_label fmt l =
   if l = "" then () else fprintf fmt "\"%s\"" l
@@ -242,20 +242,20 @@ and print_tnode pri fmt t = match t.t_node with
       fprintf fmt (protect_on (pri > 0) "epsilon %a.@ %a")
         print_vsty v print_term f;
       forget_var v
-  | Fquant (q,fq) ->
-      let vl,tl,f = f_open_quant fq in
+  | Tquant (q,fq) ->
+      let vl,tl,f = t_open_quant fq in
       fprintf fmt (protect_on (pri > 0) "%a %a%a.@ %a") print_quant q
         (print_list comma print_vsty) vl print_tl tl print_term f;
       List.iter forget_var vl
-  | Ftrue ->
+  | Ttrue ->
       fprintf fmt "true"
-  | Ffalse ->
+  | Tfalse ->
       fprintf fmt "false"
-  | Fbinop (b,f1,f2) ->
+  | Tbinop (b,f1,f2) ->
       let p = prio_binop b in
       fprintf fmt (protect_on (pri > p) "%a %a@ %a")
         (print_lterm (p + 1)) f1 print_binop b (print_lterm p) f2
-  | Fnot f ->
+  | Tnot f ->
       fprintf fmt (protect_on (pri > 4) "not %a") (print_lterm 4) f
 
 and print_tbranch fmt br =

src/core/printer.ml

@@ -228,7 +228,6 @@ let query_syntax sm id = Mid.find_option id sm
 
 (** {2 exceptions to use in transformations and printers} *)
 
-exception UnsupportedTysymbol   of tysymbol   * string
 exception UnsupportedType of ty   * string
 exception UnsupportedTerm of term * string
 exception UnsupportedDecl of decl * string
@@ -237,10 +236,8 @@ exception Unsupported     of        string
 
 (** {3 functions that catch inner error} *)
 
-let unsupportedTysymbol   e s = raise (UnsupportedTysymbol (e,s))
 let unsupportedType e s = raise (UnsupportedType (e,s))
 let unsupportedTerm e s = raise (UnsupportedTerm (e,s))
-let unsupportedFmla e s = raise (UnsupportedTerm (e,s))
 let unsupportedDecl e s = raise (UnsupportedDecl (e,s))
 let notImplemented    s = raise (NotImplemented s)
 let unsupported       s = raise (Unsupported s)
@@ -248,9 +245,6 @@ let unsupported       s = raise (Unsupported s)
 let catch_unsupportedType f e =
   try f e with Unsupported s -> unsupportedType e s
 
-let catch_unsupportedTysymbol f e =
-  try f e with Unsupported s -> unsupportedTysymbol e s
-
 let catch_unsupportedTerm f e =
   try f e with Unsupported s -> unsupportedTerm e s
 
@@ -277,9 +271,6 @@ let () = Exn_printer.register (fun fmt exn -> match exn with
   | UnsupportedType (e,s) ->
       fprintf fmt "@[<hov 3> This type isn't supported:@\n%a@\n%s@]"
         Pretty.print_ty e s
-  | UnsupportedTysymbol (e,s) ->
-      fprintf fmt "@[<hov 3> This type isn't supported:@\n%a@\n%s@]"
-        Pretty.print_ts e s
   | UnsupportedTerm (e,s) ->
       fprintf fmt "@[<hov 3> This expression isn't supported:@\n%a@\n%s@]"
         Pretty.print_term e s

src/core/printer.mli

@@ -72,16 +72,13 @@ val syntax_arguments_typed : string -> term pp -> ty pp ->
 
 (** {2 exceptions to use in transformations and printers} *)
 
-exception UnsupportedTysymbol   of tysymbol   * string
 exception UnsupportedType of ty   * string
 exception UnsupportedTerm of term * string
 exception UnsupportedDecl of decl * string
 exception NotImplemented  of        string
 
-val unsupportedTysymbol   : tysymbol   -> string -> 'a
 val unsupportedType : ty   -> string -> 'a
 val unsupportedTerm : term -> string -> 'a
-val unsupportedFmla : fmla -> string -> 'a
 val unsupportedDecl : decl -> string -> 'a
 val notImplemented  :         string -> 'a
 
@@ -98,10 +95,6 @@ val catch_unsupportedType : (ty -> 'a) -> (ty -> 'a)
     - return [f arg] if [f arg] does not raise {!Unsupported} exception
     - raise [UnsupportedType (arg,s)] if [f arg] raises [Unsupported s]*)
 
-val catch_unsupportedTysymbol : (tysymbol -> 'a) -> (tysymbol -> 'a)
-(** same as {! catch_unsupportedType} but use [UnsupportedTysymbol]
-    instead of [UnsupportedType]*)
-
 val catch_unsupportedTerm : (term -> 'a) -> (term -> 'a)
 (** same as {! catch_unsupportedType} but use [UnsupportedExpr]
     instead of [UnsupportedType]*)

src/core/task.mli

@@ -78,7 +78,7 @@ val add_meta : task -> meta -> meta_arg list -> task
 val add_ty_decl : task -> ty_decl list -> task
 val add_logic_decl : task -> logic_decl list -> task
 val add_ind_decl : task -> ind_decl list -> task
-val add_prop_decl : task -> prop_kind -> prsymbol -> fmla -> task
+val add_prop_decl : task -> prop_kind -> prsymbol -> term -> task
 
 (** {2 utilities} *)
 
@@ -95,7 +95,7 @@ val task_tdecls : task -> tdecl list
 val task_decls  : task -> decl list
 
 val task_goal  : task -> prsymbol
-val task_goal_fmla  : task -> fmla
+val task_goal_fmla  : task -> term
 
 (** {2 selectors} *)
 

src/core/term.mli

@@ -53,7 +53,6 @@ module Hls : Hashtbl.S with type key = lsymbol
 module Wls : Hashweak.S with type key = lsymbol
 
 val ls_equal : lsymbol -> lsymbol -> bool
-  (** equality of function and predicate symbols *)
 val ls_hash : lsymbol -> int
 
 val create_lsymbol : preid -> ty list -> ty option -> lsymbol
@@ -108,14 +107,14 @@ val pat_any : (pattern -> bool) -> pattern -> bool
 (** {2 Terms and Formulas} *)
 
 type quant =
-  | Fforall
-  | Fexists
+  | Tforall
+  | Texists
 
 type binop =
-  | Fand
-  | For
-  | Fimplies
-  | Fiff
+  | Tand
+  | Tor
+  | Timplies
+  | Tiff
 
 type real_constant =
   | RConstDecimal of string * string * string option (* int / frac / exp *)
@@ -138,21 +137,19 @@ and term_node = private
   | Tvar of vsymbol
   | Tconst of constant
   | Tapp of lsymbol * term list
-  | Tif of fmla * term * term
+  | Tif of term * term * term
   | Tlet of term * term_bound
   | Tcase of term * term_branch list
-  | Teps of fmla_bound
-  | Fquant of quant * fmla_quant
-  | Fbinop of binop * fmla * fmla
-  | Fnot of fmla
-  | Ftrue
-  | Ffalse
-
-and fmla = term
+  | Teps of term_bound
+  | Tquant of quant * term_quant
+  | Tbinop of binop * term * term
+  | Tnot of term
+  | Ttrue
+  | Tfalse
+
 and term_bound
-and fmla_bound = term_bound
 and term_branch
-and fmla_quant
+and term_quant
 
 and trigger = term list list
 
@@ -169,13 +166,13 @@ val t_hash : term -> int
 
 val t_close_bound : vsymbol -> term -> term_bound
 val t_close_branch : pattern -> term -> term_branch
-val f_close_quant : vsymbol list -> trigger -> fmla -> fmla_quant
+val t_close_quant : vsymbol list -> trigger -> term -> term_quant
 
 (** open bindings *)
 
 val t_open_bound : term_bound -> vsymbol * term
 val t_open_branch : term_branch -> pattern * term
-val f_open_quant : fmla_quant -> vsymbol list * trigger * fmla
+val t_open_quant : term_quant -> vsymbol list * trigger * term
 
 (** open bindings with optimized closing callbacks *)
 
@@ -185,9 +182,9 @@ val t_open_bound_cb :
 val t_open_branch_cb :
   term_branch -> pattern * term * (pattern -> term -> term_branch)
 
-val f_open_quant_cb :
-  fmla_quant -> vsymbol list * trigger * fmla *
-              (vsymbol list -> trigger -> fmla -> fmla_quant)
+val t_open_quant_cb :
+  term_quant -> vsymbol list * trigger * term *
+              (vsymbol list -> trigger -> term -> term_quant)
 
 (** Type checking *)
 
@@ -203,15 +200,11 @@ val t_prop : term -> term
 val t_ty_check : term -> ty option -> unit
 (** [t_ty_check t ty] checks that the type of [t] is [ty] *)
 
-(** [e_map fnT fnF t] is [fnT t] if [t] is value-typed, [fnF t] otherwise *)
-val e_map : (term -> 'a) -> (fmla -> 'a) -> term -> 'a
-val e_fold : ('a -> term -> 'b) -> ('a -> fmla -> 'b) -> 'a -> term -> 'b
-
 (** Smart constructors for terms and formulas *)
 
 val t_app  : lsymbol -> term list -> ty option -> term
 val fs_app : lsymbol -> term list -> ty -> term
-val ps_app : lsymbol -> term list -> fmla
+val ps_app : lsymbol -> term list -> term
 
 val t_app_infer : lsymbol -> term list -> term
 val ls_arg_inst : lsymbol -> term list -> ty Mtv.t
@@ -221,27 +214,27 @@ val t_var : vsymbol -> term
 val t_const : constant -> term
 val t_int_const : string -> term
 val t_real_const : real_constant -> term
-val t_if : fmla -> term -> term -> term
+val t_if : term -> term -> term -> term
 val t_let : term -> term_bound -> term
 val t_case : term -> term_branch list -> term
-val t_eps : fmla_bound -> term
-val f_quant : quant -> fmla_quant -> fmla
-val f_forall : fmla_quant -> fmla
-val f_exists : fmla_quant -> fmla
-val f_binary : binop -> fmla -> fmla -> fmla
-val f_and : fmla -> fmla -> fmla
-val f_or : fmla -> fmla -> fmla
-val f_implies : fmla -> fmla -> fmla
-val f_iff : fmla -> fmla -> fmla
-val f_not : fmla -> fmla
-val f_true : fmla
-val f_false : fmla
+val t_eps : term_bound -> term
+val t_quant : quant -> term_quant -> term
+val t_forall : term_quant -> term
+val t_exists : term_quant -> term
+val t_binary : binop -> term -> term -> term
+val t_and : term -> term -> term
+val t_or : term -> term -> term
+val t_implies : term -> term -> term
+val t_iff : term -> term -> term
+val t_not : term -> term
+val t_true : term
+val t_false : term
 
 val t_let_close : vsymbol -> term -> term -> term
-val t_eps_close : vsymbol -> fmla -> term
-val f_quant_close : quant -> vsymbol list -> trigger -> fmla -> fmla
-val f_forall_close : vsymbol list -> trigger -> fmla -> fmla
-val f_exists_close : vsymbol list -> trigger -> fmla -> fmla
+val t_eps_close : vsymbol -> term -> term
+val t_quant_close : quant -> vsymbol list -> trigger -> term -> term
+val t_forall_close : vsymbol list -> trigger -> term -> term
+val t_exists_close : vsymbol list -> trigger -> term -> term
 
 val t_label : ?loc:Loc.position -> label list -> term -> term
 val t_label_add : label -> term -> term
@@ -249,26 +242,26 @@ val t_label_copy : term -> term -> term