2 ||M|| This file is part of HELM, an Hypertextual, Electronic
3 ||A|| Library of Mathematics, developed at the Computer Science
4 ||T|| Department, University of Bologna, Italy.
6 ||T|| HELM is free software; you can redistribute it and/or
7 ||A|| modify it under the terms of the GNU General Public License
8 \ / version 2 or (at your option) any later version.
9 \ / This software is distributed as is, NO WARRANTY.
10 V_______________________________________________________________ *)
12 (* $Id: nCic.ml 9058 2008-10-13 17:42:30Z tassi $ *)
16 open DisambiguateTypes
19 module Ast = CicNotationPt
20 module NRef = NReference
22 let debug_print _ = ();;
23 (* let debug_print s = prerr_endline (Lazy.force s);; *)
25 let cic_name_of_name = function
26 | Ast.Ident (n, None) -> n
30 let rec mk_rels howmany from =
33 | _ -> (NCic.Rel (howmany + from)) :: (mk_rels (howmany-1) from)
37 metasenv subst context uri ~rdb ~use_coercions term expty _ ~localization_tbl=
39 debug_print (lazy (sprintf "TEST_INTERPRETATION: %s"
40 (NCicPp.ppterm ~metasenv ~subst ~context term)));
43 try NCicUntrusted.NCicHash.find localization_tbl t
45 prerr_endline ("NOT LOCALISED" ^ NCicPp.ppterm ~metasenv ~subst ~context t);
46 (*assert false*) HExtlib.dummy_floc
48 let metasenv, subst, term, _ =
51 (if use_coercions then rdb#coerc_db else NCicCoercion.empty_db))
52 metasenv subst context term expty ~localise
54 Disambiguate.Ok (term, metasenv, subst, ())
56 | NCicRefiner.Uncertain loc_msg ->
57 debug_print (lazy ("UNCERTAIN: [" ^ snd (Lazy.force loc_msg) ^ "] " ^
58 NCicPp.ppterm ~metasenv ~subst ~context term)) ;
59 Disambiguate.Uncertain loc_msg
60 | NCicRefiner.RefineFailure loc_msg ->
61 debug_print (lazy (sprintf "PRUNED:\nterm%s\nmessage:%s"
62 (NCicPp.ppterm ~metasenv ~subst ~context term) (snd(Lazy.force loc_msg))));
63 Disambiguate.Ko loc_msg
67 ~rdb metasenv subst context _uri
68 ~use_coercions obj _ _ugraph ~localization_tbl
73 try NCicUntrusted.NCicHash.find localization_tbl t
75 prerr_endline (NCicPp.ppterm ~metasenv ~subst ~context t);
76 (*assert false*)HExtlib.dummy_floc
80 NCicRefiner.typeof_obj
82 (if use_coercions then rdb#coerc_db
83 else NCicCoercion.empty_db))
86 Disambiguate.Ok (obj, [], [], ())
88 | NCicRefiner.Uncertain loc_msg ->
89 debug_print (lazy ("UNCERTAIN: [" ^ snd (Lazy.force loc_msg) ^ "] " ^
91 Disambiguate.Uncertain loc_msg
92 | NCicRefiner.RefineFailure loc_msg ->
93 debug_print (lazy (sprintf "PRUNED:\nobj: %s\nmessage: %s"
94 (NCicPp.ppobj obj) (snd(Lazy.force loc_msg))));
95 Disambiguate.Ko loc_msg
99 (* TODO move it to Cic *)
100 let find_in_context name context =
101 let rec aux acc = function
102 | [] -> raise Not_found
103 | hd :: _ when hd = name -> acc
104 | _ :: tl -> aux (acc + 1) tl
108 let interpretate_term_and_interpretate_term_option
109 ?(create_dummy_ids=false)
110 ~obj_context ~mk_choice ~env ~uri ~is_path ~localization_tbl
112 (* create_dummy_ids shouldbe used only for interpretating patterns *)
115 let rec aux ~localize loc context = function
116 | CicNotationPt.AttributedTerm (`Loc loc, term) ->
117 let res = aux ~localize loc context term in
119 NCicUntrusted.NCicHash.add localization_tbl res loc;
121 | CicNotationPt.AttributedTerm (_, term) -> aux ~localize loc context term
122 | CicNotationPt.Appl (CicNotationPt.Symbol (symb, i) :: args) ->
123 let cic_args = List.map (aux ~localize loc context) args in
124 Disambiguate.resolve ~mk_choice ~env (Symbol (symb, i)) (`Args cic_args)
125 | CicNotationPt.Appl terms ->
126 NCic.Appl (List.map (aux ~localize loc context) terms)
127 | CicNotationPt.Binder (binder_kind, (var, typ), body) ->
128 let cic_type = aux_option ~localize loc context `Type typ in
129 let cic_name = cic_name_of_name var in
130 let cic_body = aux ~localize loc (cic_name :: context) body in
131 (match binder_kind with
132 | `Lambda -> NCic.Lambda (cic_name, cic_type, cic_body)
134 | `Forall -> NCic.Prod (cic_name, cic_type, cic_body)
136 Disambiguate.resolve ~env ~mk_choice (Symbol ("exists", 0))
137 (`Args [ cic_type; NCic.Lambda (cic_name, cic_type, cic_body) ]))
138 | CicNotationPt.Case (term, indty_ident, outtype, branches) ->
139 let cic_term = aux ~localize loc context term in
140 let cic_outtype = aux_option ~localize loc context `Term outtype in
141 let do_branch ((_, _, args), term) =
142 let rec do_branch' context = function
143 | [] -> aux ~localize loc context term
144 | (name, typ) :: tl ->
145 let cic_name = cic_name_of_name name in
146 let cic_body = do_branch' (cic_name :: context) tl in
149 | None -> NCic.Implicit `Type
150 | Some typ -> aux ~localize loc context typ
152 NCic.Lambda (cic_name, typ, cic_body)
154 do_branch' context args
156 if create_dummy_ids then
160 Ast.Wildcard,term -> ("wildcard",None,[]), term
162 raise (DisambiguateTypes.Invalid_choice
163 (lazy (loc, "Syntax error: the left hand side of a "^
164 "branch pattern must be \"_\"")))
168 NCic.MutCase (ref, cic_outtype, cic_term,
169 (List.map do_branch branches))
170 *) ignore branches; assert false (* patterns not implemented yet *)
173 match indty_ident with
174 | Some (indty_ident, _) ->
175 (match Disambiguate.resolve ~env ~mk_choice
176 (Id indty_ident) (`Args []) with
177 | NCic.Const (NReference.Ref (_,NReference.Ind _) as r) -> r
179 raise (Disambiguate.Try_again
180 (lazy "The type of the term to be matched is still unknown"))
182 raise (DisambiguateTypes.Invalid_choice
183 (lazy (loc,"The type of the term to be matched "^
184 "is not (co)inductive: " ^ NCicPp.ppterm
185 ~metasenv:[] ~subst:[] ~context:[] t))))
187 let rec fst_constructor =
189 (Ast.Pattern (head, _, _), _) :: _ -> head
190 | (Ast.Wildcard, _) :: tl -> fst_constructor tl
191 | [] -> raise (Invalid_choice (lazy (loc,"The type "^
192 "of the term to be matched cannot be determined "^
193 "because it is an inductive type without constructors "^
194 "or because all patterns use wildcards")))
197 DisambiguateTypes.Environment.iter
200 (DisambiguateTypes.string_of_domain_item k ^ " => " ^
201 description_of_alias v)) env;
203 (match Disambiguate.resolve ~env ~mk_choice
204 (Id (fst_constructor branches)) (`Args []) with
205 | NCic.Const (NReference.Ref (_,NReference.Con _) as r) ->
206 let b,_,_,_,_ = NCicEnvironment.get_checked_indtys r in
207 NReference.mk_indty b r
209 raise (Disambiguate.Try_again
210 (lazy "The type of the term to be matched is still unknown"))
212 raise (DisambiguateTypes.Invalid_choice
214 "The type of the term to be matched is not (co)inductive: "
215 ^ NCicPp.ppterm ~metasenv:[] ~subst:[] ~context:[] t))))
217 let _,leftsno,itl,_,indtyp_no =
218 NCicEnvironment.get_checked_indtys indtype_ref in
221 List.nth itl indtyp_no
222 with _ -> assert false in
223 let rec count_prod t =
224 match NCicReduction.whd ~subst:[] [] t with
225 NCic.Prod (_, _, t) -> 1 + (count_prod t)
228 let rec sort branches cl =
231 let rec analyze unused unrecognized useless =
234 if unrecognized != [] then
235 raise (DisambiguateTypes.Invalid_choice
237 (loc,"Unrecognized constructors: " ^
238 String.concat " " unrecognized)))
239 else if useless > 0 then
240 raise (DisambiguateTypes.Invalid_choice
242 (loc,"The last " ^ string_of_int useless ^
243 "case" ^ if useless > 1 then "s are" else " is" ^
247 | (Ast.Wildcard,_)::tl when not unused ->
248 analyze true unrecognized useless tl
249 | (Ast.Pattern (head,_,_),_)::tl when not unused ->
250 analyze unused (head::unrecognized) useless tl
251 | _::tl -> analyze unused unrecognized (useless + 1) tl
253 analyze false [] 0 branches
254 | (_,name,ty)::cltl ->
255 let rec find_and_remove =
259 (DisambiguateTypes.Invalid_choice
260 (lazy (loc, "Missing case: " ^ name)))
261 | ((Ast.Wildcard, _) as branch :: _) as branches ->
263 | (Ast.Pattern (name',_,_),_) as branch :: tl
267 let found,rest = find_and_remove tl in
270 let branch,tl = find_and_remove branches in
272 Ast.Pattern (name,y,args),term ->
273 if List.length args = count_prod ty - leftsno then
274 ((name,y,args),term)::sort tl cltl
277 (DisambiguateTypes.Invalid_choice
278 (lazy (loc,"Wrong number of arguments for " ^ name)))
279 | Ast.Wildcard,term ->
285 (`Lambda, (CicNotationPt.Ident ("_", None), None),
288 (("wildcard",None,[]),
289 mk_lambdas (count_prod ty - leftsno)) :: sort tl cltl
291 let branches = sort branches cl in
292 NCic.Match (indtype_ref, cic_outtype, cic_term,
293 (List.map do_branch branches))
294 | CicNotationPt.Cast (t1, t2) ->
295 let cic_t1 = aux ~localize loc context t1 in
296 let cic_t2 = aux ~localize loc context t2 in
297 NCic.LetIn ("_",cic_t2,cic_t1, NCic.Rel 1)
298 | CicNotationPt.LetIn ((name, typ), def, body) ->
299 let cic_def = aux ~localize loc context def in
300 let cic_name = cic_name_of_name name in
303 | None -> NCic.Implicit `Type
304 | Some t -> aux ~localize loc context t
306 let cic_body = aux ~localize loc (cic_name :: context) body in
307 NCic.LetIn (cic_name, cic_typ, cic_def, cic_body)
308 | CicNotationPt.LetRec (_kind, _defs, _body) -> NCic.Implicit `Term
309 | CicNotationPt.Ident _
310 | CicNotationPt.Uri _
311 | CicNotationPt.NRef _ when is_path -> raise Disambiguate.PathNotWellFormed
312 | CicNotationPt.Ident (name, subst) ->
313 assert (subst = None);
315 NCic.Rel (find_in_context name context)
317 try NCic.Const (List.assoc name obj_context)
319 Disambiguate.resolve ~env ~mk_choice (Id name) (`Args []))
320 | CicNotationPt.Uri (uri, subst) ->
321 assert (subst = None);
323 NCic.Const (OCic2NCic.reference_of_oxuri(UriManager.uri_of_string uri))
324 with NRef.IllFormedReference _ ->
325 CicNotationPt.fail loc "Ill formed reference")
326 | CicNotationPt.NRef nref -> NCic.Const nref
327 | CicNotationPt.Implicit `Vector -> NCic.Implicit `Vector
328 | CicNotationPt.Implicit `JustOne -> NCic.Implicit `Term
329 | CicNotationPt.UserInput -> NCic.Implicit `Hole
330 | CicNotationPt.Num (num, i) ->
331 Disambiguate.resolve ~env ~mk_choice (Num i) (`Num_arg num)
332 | CicNotationPt.Meta (index, subst) ->
335 (function None -> assert false| Some t -> aux ~localize loc context t)
338 NCic.Meta (index, (0, NCic.Ctx cic_subst))
339 | CicNotationPt.Sort `Prop -> NCic.Sort NCic.Prop
340 | CicNotationPt.Sort `Set -> NCic.Sort (NCic.Type
341 [false,NUri.uri_of_string "cic:/matita/pts/Type.univ"])
342 | CicNotationPt.Sort (`Type _u) -> NCic.Sort (NCic.Type
343 [false,NUri.uri_of_string "cic:/matita/pts/Type0.univ"])
344 | CicNotationPt.Sort (`NType s) -> NCic.Sort (NCic.Type
345 [false,NUri.uri_of_string ("cic:/matita/pts/Type" ^ s ^ ".univ")])
346 | CicNotationPt.Sort (`NCProp s) -> NCic.Sort (NCic.Type
347 [false,NUri.uri_of_string ("cic:/matita/pts/CProp" ^ s ^ ".univ")])
348 | CicNotationPt.Sort (`CProp _u) -> NCic.Sort (NCic.Type
349 [false,NUri.uri_of_string "cic:/matita/pts/CProp0.univ"])
350 | CicNotationPt.Symbol (symbol, instance) ->
351 Disambiguate.resolve ~env ~mk_choice
352 (Symbol (symbol, instance)) (`Args [])
353 | CicNotationPt.Variable _
354 | CicNotationPt.Magic _
355 | CicNotationPt.Layout _
356 | CicNotationPt.Literal _ -> assert false (* god bless Bologna *)
357 and aux_option ~localize loc context annotation = function
358 | None -> NCic.Implicit annotation
359 | Some (CicNotationPt.AttributedTerm (`Loc loc, term)) ->
360 let res = aux_option ~localize loc context annotation (Some term) in
362 NCicUntrusted.NCicHash.add localization_tbl res loc;
364 | Some (CicNotationPt.AttributedTerm (_, term)) ->
365 aux_option ~localize loc context annotation (Some term)
366 | Some CicNotationPt.Implicit `JustOne -> NCic.Implicit annotation
367 | Some CicNotationPt.Implicit `Vector -> NCic.Implicit `Vector
368 | Some term -> aux ~localize loc context term
370 (fun ~context -> aux ~localize:true HExtlib.dummy_floc context),
371 (fun ~context -> aux_option ~localize:true HExtlib.dummy_floc context)
374 let interpretate_term ?(create_dummy_ids=false) ~context ~env ~uri ~is_path ast
375 ~obj_context ~localization_tbl ~mk_choice
377 let context = List.map fst context in
379 (interpretate_term_and_interpretate_term_option
380 ~obj_context ~mk_choice ~create_dummy_ids ~env ~uri ~is_path ~localization_tbl)
384 let interpretate_term_option
385 ?(create_dummy_ids=false) ~context ~env ~uri ~is_path
386 ~localization_tbl ~mk_choice ~obj_context
388 let context = List.map fst context in
390 (interpretate_term_and_interpretate_term_option
391 ~obj_context ~mk_choice ~create_dummy_ids ~env ~uri ~is_path ~localization_tbl)
395 let disambiguate_path path =
396 let localization_tbl = NCicUntrusted.NCicHash.create 23 in
398 (interpretate_term_and_interpretate_term_option
399 ~obj_context:[] ~mk_choice:(fun _ -> assert false)
400 ~create_dummy_ids:true ~env:DisambiguateTypes.Environment.empty
401 ~uri:None ~is_path:true ~localization_tbl) ~context:[] path
404 let new_flavour_of_flavour = function
405 | `Definition -> `Definition
406 | `MutualDefinition -> `Definition
409 | `Remark -> `Corollary
410 | `Theorem -> `Theorem
411 | `Variant -> `Corollary
415 let ncic_name_of_ident = function
416 | Ast.Ident (name, None) -> name
421 (* ?(create_dummy_ids=false) *)
422 ~context ~env ~uri ~is_path obj ~localization_tbl ~mk_choice
424 assert (context = []);
425 assert (is_path = false);
426 let interpretate_term ~obj_context =
427 interpretate_term ~mk_choice ~localization_tbl ~obj_context in
428 let interpretate_term_option ~obj_context =
429 interpretate_term_option ~mk_choice ~localization_tbl ~obj_context in
430 let uri = match uri with | None -> assert false | Some u -> u in
432 | CicNotationPt.Theorem (flavour, name, ty, bo) ->
435 ~obj_context:[] ~context:[] ~env ~uri:None ~is_path:false ty
437 let height = (* XXX calculate *) 0 in
439 (match bo,flavour with
441 let attrs = `Provided, new_flavour_of_flavour flavour, `Regular in
442 NCic.Constant ([],name,None,ty',attrs)
443 | Some _,`Axiom -> assert false
445 let attrs = `Provided, new_flavour_of_flavour flavour, `Regular in
446 NCic.Constant ([],name,Some (NCic.Implicit `Term),ty',attrs)
449 | CicNotationPt.LetRec (kind, defs, _) ->
450 let inductive = kind = `Inductive in
453 (fun (i,acc) (_,(name,_),_,k) ->
455 (ncic_name_of_ident name, NReference.reference_of_spec uri
456 (if inductive then NReference.Fix (i,k,0)
457 else NReference.CoFix i)) :: acc))
462 (fun (params, (name, typ), body, decr_idx) ->
463 let add_binders kind t =
466 CicNotationPt.Binder (kind, var, t)) params t
470 ~obj_context ~context ~env ~uri:None ~is_path:false
471 (add_binders `Lambda body)
474 interpretate_term_option
476 ~context ~env ~uri:None ~is_path:false `Type
477 (HExtlib.map_option (add_binders `Pi) typ)
479 ([],ncic_name_of_ident name, decr_idx, cic_type, cic_body))
482 let attrs = `Provided, new_flavour_of_flavour flavour in
483 NCic.Fixpoint (inductive,inductiveFuns,attrs)
487 ~obj_context:[] ~context:[] ~env ~uri:None ~is_path:false bo
489 let attrs = `Provided, new_flavour_of_flavour flavour, `Regular in
490 NCic.Constant ([],name,Some bo,ty',attrs)))
491 | CicNotationPt.Inductive (params,tyl) ->
495 (fun (context,res) (name,t) ->
498 None -> CicNotationPt.Implicit `JustOne
500 let name = cic_name_of_name name in
502 interpretate_term ~obj_context:[] ~context ~env ~uri:None
505 (name,NCic.Decl t)::context,(name,t)::res
508 context,List.rev res in
510 List.fold_right (fun (name,ty) t -> NCic.Prod (name,ty,t)) params in
511 let leftno = List.length params in
512 let _,inductive,_,_ = try List.hd tyl with Failure _ -> assert false in
516 (fun (i,res) (name,_,_,_) ->
518 NReference.reference_of_spec uri (NReference.Ind (inductive,i,leftno))
520 i+1,(name,nref)::res)
524 (fun (name,_,ty,cl) ->
527 (interpretate_term ~obj_context:[] ~context ~env ~uri:None
528 ~is_path:false ty) in
534 (interpretate_term ~obj_context ~context ~env ~uri:None
535 ~is_path:false ty) in
536 let relevance = [] in
539 let relevance = [] in
540 relevance,name,ty',cl'
543 let height = (* XXX calculate *) 0 in
544 let attrs = `Provided, `Regular in
546 NCic.Inductive (inductive,leftno,tyl,attrs)
547 | CicNotationPt.Record (params,name,ty,fields) ->
551 (fun (context,res) (name,t) ->
554 None -> CicNotationPt.Implicit `JustOne
556 let name = cic_name_of_name name in
558 interpretate_term ~obj_context:[] ~context ~env ~uri:None
561 (name,NCic.Decl t)::context,(name,t)::res
564 context,List.rev res in
566 List.fold_right (fun (name,ty) t -> NCic.Prod (name,ty,t)) params in
567 let leftno = List.length params in
570 (interpretate_term ~obj_context:[] ~context ~env ~uri:None
571 ~is_path:false ty) in
573 NReference.reference_of_spec uri (NReference.Ind (true,0,leftno)) in
574 let obj_context = [name,nref] in
578 (fun (context,res) (name,ty,_coercion,_arity) ->
580 interpretate_term ~obj_context ~context ~env ~uri:None
582 let context' = (name,NCic.Decl ty)::context in
583 context',(name,ty)::res
584 ) (context,[]) fields) in
586 let mutind = NCic.Const nref in
587 if params = [] then mutind
590 (mutind::mk_rels (List.length params) (List.length fields)) in
592 List.fold_left (fun t (name,ty) -> NCic.Prod (name,ty,t)) concl fields' in
593 let con' = add_params con in
594 let relevance = [] in
595 let tyl = [relevance,name,ty',[relevance,"mk_" ^ name,con']] in
596 let field_names = List.map (fun (x,_,y,z) -> x,y,z) fields in
597 let height = (* XXX calculate *) 0 in
598 let attrs = `Provided, `Record field_names in
600 NCic.Inductive (true,leftno,tyl,attrs)
603 let disambiguate_term ~context ~metasenv ~subst ~expty
604 ~mk_implicit ~description_of_alias ~mk_choice
605 ~aliases ~universe ~rdb ~lookup_in_library
606 (text,prefix_len,term)
608 let mk_localization_tbl x = NCicUntrusted.NCicHash.create x in
610 MultiPassDisambiguator.disambiguate_thing
611 ~freshen_thing:CicNotationUtil.freshen_term
612 ~context ~metasenv ~initial_ugraph:() ~aliases
613 ~mk_implicit ~description_of_alias
614 ~string_context_of_context:(List.map (fun (x,_) -> Some x))
615 ~universe ~uri:None ~pp_thing:CicNotationPp.pp_term
616 ~passes:(MultiPassDisambiguator.passes ())
617 ~lookup_in_library ~domain_of_thing:Disambiguate.domain_of_term
618 ~interpretate_thing:(interpretate_term ~obj_context:[] ~mk_choice (?create_dummy_ids:None))
619 ~refine_thing:(refine_term ~rdb) (text,prefix_len,term)
620 ~mk_localization_tbl ~expty ~subst
622 List.map (function (a,b,c,d,_) -> a,b,c,d) res, b
626 ~mk_implicit ~description_of_alias ~mk_choice
627 ~aliases ~universe ~rdb ~lookup_in_library ~uri
628 (text,prefix_len,obj)
630 let mk_localization_tbl x = NCicUntrusted.NCicHash.create x in
632 MultiPassDisambiguator.disambiguate_thing
633 ~freshen_thing:CicNotationUtil.freshen_obj
634 ~context:[] ~metasenv:[] ~subst:[] ~initial_ugraph:() ~aliases
635 ~mk_implicit ~description_of_alias
636 ~string_context_of_context:(List.map (fun (x,_) -> Some x))
639 ~pp_thing:(CicNotationPp.pp_obj CicNotationPp.pp_term)
640 ~passes:(MultiPassDisambiguator.passes ())
641 ~lookup_in_library ~domain_of_thing:Disambiguate.domain_of_obj
642 ~interpretate_thing:(interpretate_obj ~mk_choice)
643 ~refine_thing:(refine_obj ~rdb)
644 (text,prefix_len,obj)
645 ~mk_localization_tbl ~expty:None
647 List.map (function (a,b,c,d,_) -> a,b,c,d) res, b
653 [false, NUri.uri_of_string ("cic:/matita/pts/Type.univ")]
655 [false, NUri.uri_of_string ("cic:/matita/pts/Type"^string_of_int n^".univ")]
659 [false, NUri.uri_of_string ("cic:/matita/pts/CProp.univ")]
661 [false, NUri.uri_of_string ("cic:/matita/pts/CProp"^string_of_int n^".univ")]
663 NCicEnvironment.add_constraint true (mk_type 0) (mk_type 1);
664 NCicEnvironment.add_constraint true (mk_cprop 0) (mk_cprop 1);
665 NCicEnvironment.add_constraint true (mk_cprop 0) (mk_type 1);
666 NCicEnvironment.add_constraint true (mk_type 0) (mk_cprop 1);
667 NCicEnvironment.add_constraint false (mk_cprop 0) (mk_type 0);
668 NCicEnvironment.add_constraint false (mk_type 0) (mk_cprop 0);
670 NCicEnvironment.add_constraint true (mk_type 1) (mk_type 2);
671 NCicEnvironment.add_constraint true (mk_cprop 1) (mk_cprop 2);
672 NCicEnvironment.add_constraint true (mk_cprop 1) (mk_type 2);
673 NCicEnvironment.add_constraint true (mk_type 1) (mk_cprop 2);
674 NCicEnvironment.add_constraint false (mk_cprop 1) (mk_type 1);
675 NCicEnvironment.add_constraint false (mk_type 1) (mk_cprop 1);
677 NCicEnvironment.add_constraint true (mk_type 2) (mk_type 3);
678 NCicEnvironment.add_constraint true (mk_cprop 2) (mk_cprop 3);
679 NCicEnvironment.add_constraint true (mk_cprop 2) (mk_type 3);
680 NCicEnvironment.add_constraint true (mk_type 2) (mk_cprop 3);
681 NCicEnvironment.add_constraint false (mk_cprop 2) (mk_type 2);
682 NCicEnvironment.add_constraint false (mk_type 2) (mk_cprop 2);
684 NCicEnvironment.add_constraint false (mk_cprop 3) (mk_type 3);
685 NCicEnvironment.add_constraint false (mk_type 3) (mk_cprop 3);