author  wenzelm 
Fri, 28 Aug 2009 18:19:07 +0200  
changeset 32430  de3727f1cf12 
parent 32187  cca43ca13f4f 
child 32433  11661f4327bb 
permissions  rwrr 
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(* Title: Pure/display.ML 
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Author: Lawrence C Paulson, Cambridge University Computer Laboratory 
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Author: Makarius 
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Printing of theorems, results etc. 
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*) 
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11883  8 
signature BASIC_DISPLAY = 
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sig 

12081  10 
val goals_limit: int ref 
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val show_consts: bool ref 
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val show_hyps: bool ref 
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val show_tags: bool ref 

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end; 

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signature DISPLAY = 
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sig 
11883  18 
include BASIC_DISPLAY 
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val pretty_thm_raw: Proof.context > {quote: bool, show_hyps: bool, show_status: bool} > 
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thm > Pretty.T 
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val pretty_thm_aux: Proof.context > bool > thm > Pretty.T 
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val pretty_thm: Proof.context > thm > Pretty.T 
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val pretty_thm_global: theory > thm > Pretty.T 
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val pretty_thm_without_context: thm > Pretty.T 
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val string_of_thm: Proof.context > thm > string 
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val string_of_thm_global: theory > thm > string 
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val string_of_thm_without_context: thm > string 
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val pretty_thms_aux: Proof.context > bool > thm list > Pretty.T 
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val pretty_thms: Proof.context > thm list > Pretty.T 
11883  30 
val pretty_ctyp: ctyp > Pretty.T 
26928  31 
val string_of_ctyp: ctyp > string 
11883  32 
val pretty_cterm: cterm > Pretty.T 
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val string_of_cterm: cterm > string 
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val print_syntax: theory > unit 

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val pretty_full_theory: bool > theory > Pretty.T list 
4950  36 
end; 
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4950  38 
structure Display: DISPLAY = 
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struct 
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(** options **) 
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32187  43 
val goals_limit = Goal_Display.goals_limit; 
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val show_consts = Goal_Display.show_consts; 

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val show_hyps = ref false; (*false: print metahypotheses as dots*) 
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val show_tags = ref false; (*false: suppress tags*) 
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11883  50 

6087  51 
(** print thm **) 
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28840  53 
fun pretty_tag (name, arg) = Pretty.strs [name, quote arg]; 
6087  54 
val pretty_tags = Pretty.list "[" "]" o map pretty_tag; 
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fun display_status false _ = "" 
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 display_status true th = 

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let 

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val {oracle = oracle0, unfinished, failed} = Thm.status_of th; 

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val oracle = oracle0 andalso (not (! quick_and_dirty) orelse ! show_hyps); 

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in 

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if failed then "!!" 

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else if oracle andalso unfinished then "!?" 

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else if oracle then "!" 

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else if unfinished then "?" 

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else "" 

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end; 

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fun pretty_thm_raw ctxt {quote, show_hyps = show_hyps', show_status} raw_th = 
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let 
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val th = Thm.strip_shyps raw_th; 
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val {hyps, tpairs, prop, ...} = Thm.rep_thm th; 
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val xshyps = Thm.extra_shyps th; 
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val tags = Thm.get_tags th; 
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val q = if quote then Pretty.quote else I; 
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val prt_term = q o Syntax.pretty_term ctxt; 
6279  78 

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val asms = map Thm.term_of (Assumption.all_assms_of ctxt); 
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val hyps' = if ! show_hyps then hyps else subtract (op aconv) asms hyps; 
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val status = display_status show_status th; 
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val hlen = length xshyps + length hyps' + length tpairs; 
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val hsymbs = 
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if hlen = 0 andalso status = "" then [] 
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else if ! show_hyps orelse show_hyps' then 
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[Pretty.brk 2, Pretty.list "[" "]" 
32187  88 
(map (q o Goal_Display.pretty_flexpair ctxt) tpairs @ map prt_term hyps' @ 
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map (Syntax.pretty_sort ctxt) xshyps @ 
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(if status = "" then [] else [Pretty.str status]))] 
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else [Pretty.brk 2, Pretty.str ("[" ^ implode (replicate hlen ".") ^ status ^ "]")]; 

6087  92 
val tsymbs = 
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if null tags orelse not (! show_tags) then [] 

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else [Pretty.brk 1, pretty_tags tags]; 

6279  95 
in Pretty.block (prt_term prop :: (hsymbs @ tsymbs)) end; 
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fun pretty_thm_aux ctxt show_status = 
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pretty_thm_raw ctxt {quote = false, show_hyps = true, show_status = show_status}; 
6087  99 

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fun pretty_thm ctxt = pretty_thm_aux ctxt true; 
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fun pretty_thm_global thy = 
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pretty_thm_raw (Syntax.init_pretty_global thy) 
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{quote = false, show_hyps = false, show_status = true}; 
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fun pretty_thm_without_context th = pretty_thm_global (Thm.theory_of_thm th) th; 
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val string_of_thm = Pretty.string_of oo pretty_thm; 
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val string_of_thm_global = Pretty.string_of oo pretty_thm_global; 
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val string_of_thm_without_context = Pretty.string_of o pretty_thm_without_context; 
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(* multiple theorems *) 
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fun pretty_thms_aux ctxt flag [th] = pretty_thm_aux ctxt flag th 
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 pretty_thms_aux ctxt flag ths = 
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Pretty.blk (0, Pretty.fbreaks (map (pretty_thm_aux ctxt flag) ths)); 
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fun pretty_thms ctxt = pretty_thms_aux ctxt true; 
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(* other printing commands *) 
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fun pretty_ctyp cT = Syntax.pretty_typ_global (Thm.theory_of_ctyp cT) (Thm.typ_of cT); 
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fun string_of_ctyp cT = Syntax.string_of_typ_global (Thm.theory_of_ctyp cT) (Thm.typ_of cT); 
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fun pretty_cterm ct = Syntax.pretty_term_global (Thm.theory_of_cterm ct) (Thm.term_of ct); 
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fun string_of_cterm ct = Syntax.string_of_term_global (Thm.theory_of_cterm ct) (Thm.term_of ct); 
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4250  131 

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(** print theory **) 

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val print_syntax = Syntax.print_syntax o Sign.syn_of; 
4498  135 

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11883  137 
(* pretty_full_theory *) 
4250  138 

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fun pretty_full_theory verbose thy = 
4250  140 
let 
24920  141 
val ctxt = ProofContext.init thy; 
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fun prt_cls c = Syntax.pretty_sort ctxt [c]; 

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fun prt_sort S = Syntax.pretty_sort ctxt S; 

145 
fun prt_arity t (c, (_, Ss)) = Syntax.pretty_arity ctxt (t, Ss, [c]); 

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fun prt_typ ty = Pretty.quote (Syntax.pretty_typ ctxt ty); 

19806  147 
val prt_typ_no_tvars = prt_typ o Logic.unvarifyT; 
24920  148 
fun prt_term t = Pretty.quote (Syntax.pretty_term ctxt t); 
18936  149 
val prt_term_no_vars = prt_term o Logic.unvarify; 
19698  150 
fun prt_const (c, ty) = [Pretty.str c, Pretty.str " ::", Pretty.brk 1, prt_typ_no_tvars ty]; 
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val prt_const' = Defs.pretty_const (Syntax.pp ctxt); 
4250  152 

14794  153 
fun pretty_classrel (c, []) = prt_cls c 
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 pretty_classrel (c, cs) = Pretty.block 

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(prt_cls c :: Pretty.str " <" :: Pretty.brk 1 :: 

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Pretty.commas (map prt_cls cs)); 

4250  157 

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fun pretty_default S = Pretty.block 

14794  159 
[Pretty.str "default sort:", Pretty.brk 1, prt_sort S]; 
4250  160 

14996  161 
val tfrees = map (fn v => TFree (v, [])); 
27302  162 
fun pretty_type syn (t, ((Type.LogicalType n, _), _)) = 
15531  163 
if syn then NONE 
24848  164 
else SOME (prt_typ (Type (t, tfrees (Name.invents Name.context Name.aT n)))) 
27302  165 
 pretty_type syn (t, ((Type.Abbreviation (vs, U, syn'), _), _)) = 
15531  166 
if syn <> syn' then NONE 
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else SOME (Pretty.block 

14996  168 
[prt_typ (Type (t, tfrees vs)), Pretty.str " =", Pretty.brk 1, prt_typ U]) 
27302  169 
 pretty_type syn (t, ((Type.Nonterminal, _), _)) = 
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if not syn then NONE 
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else SOME (prt_typ (Type (t, []))); 

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val pretty_arities = maps (fn (t, ars) => map (prt_arity t) ars); 
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19698  175 
fun pretty_abbrev (c, (ty, t)) = Pretty.block 
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(prt_const (c, ty) @ [Pretty.str " ==", Pretty.brk 1, prt_term_no_vars t]); 

177 

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fun pretty_axm (a, t) = Pretty.block [Pretty.str (a ^ ":"), Pretty.brk 1, prt_term_no_vars t]; 

19365  179 

19702  180 
fun pretty_finals reds = Pretty.block 
19703  181 
(Pretty.str "final:" :: Pretty.brk 1 :: Pretty.commas (map (prt_const' o fst) reds)); 
19702  182 

19698  183 
fun pretty_reduct (lhs, rhs) = Pretty.block 
19702  184 
([prt_const' lhs, Pretty.str " >", Pretty.brk 2] @ 
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Pretty.commas (map prt_const' (sort_wrt #1 rhs))); 

4250  186 

19698  187 
fun pretty_restrict (const, name) = 
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Pretty.block ([prt_const' const, Pretty.brk 2, Pretty.str ("(from " ^ quote name ^ ")")]); 

8720  189 

24665  190 
val axioms = (Theory.axiom_space thy, Theory.axiom_table thy); 
191 
val defs = Theory.defs_of thy; 

19698  192 
val {restricts, reducts} = Defs.dest defs; 
18061  193 
val {naming, syn = _, tsig, consts} = Sign.rep_sg thy; 
18936  194 
val {constants, constraints} = Consts.dest consts; 
19698  195 
val extern_const = NameSpace.extern (#1 constants); 
26637  196 
val {classes, default, types, ...} = Type.rep_tsig tsig; 
19698  197 
val (class_space, class_algebra) = classes; 
19642  198 
val {classes, arities} = Sorts.rep_algebra class_algebra; 
14996  199 

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val clsses = NameSpace.dest_table (class_space, Symtab.make (Graph.dest classes)); 
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val tdecls = NameSpace.dest_table types; 
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val arties = NameSpace.dest_table (Sign.type_space thy, arities); 
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fun prune_const c = not verbose andalso 
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member (op =) (Consts.the_tags consts c) Markup.property_internal; 
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val cnsts = NameSpace.extern_table (#1 constants, 
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Symtab.make (filter_out (prune_const o fst) (Symtab.dest (#2 constants)))); 
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val log_cnsts = map_filter (fn (c, (ty, NONE)) => SOME (c, ty)  _ => NONE) cnsts; 
25405  210 
val abbrevs = map_filter (fn (c, (ty, SOME t)) => SOME (c, (ty, t))  _ => NONE) cnsts; 
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val cnstrs = NameSpace.extern_table constraints; 
19698  212 

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val axms = NameSpace.extern_table axioms; 
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214 

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val (reds0, (reds1, reds2)) = filter_out (prune_const o fst o fst) reducts 
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> map (fn (lhs, rhs) => 
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(apfst extern_const lhs, map (apfst extern_const) (filter_out (prune_const o fst) rhs))) 
19702  218 
> sort_wrt (#1 o #1) 
219 
> List.partition (null o #2) 

220 
> List.partition (Defs.plain_args o #2 o #1); 

19698  221 
val rests = restricts > map (apfst (apfst extern_const)) > sort_wrt (#1 o #1); 
4250  222 
in 
29091  223 
[Pretty.strs ("names:" :: Context.display_names thy)] @ 
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[Pretty.big_list "classes:" (map pretty_classrel clsses), 
8720  225 
pretty_default default, 
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Pretty.big_list "syntactic types:" (map_filter (pretty_type true) tdecls), 
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Pretty.big_list "logical types:" (map_filter (pretty_type false) tdecls), 
16534  228 
Pretty.big_list "type arities:" (pretty_arities arties), 
19698  229 
Pretty.big_list "logical consts:" (map (Pretty.block o prt_const) log_cnsts), 
19365  230 
Pretty.big_list "abbreviations:" (map pretty_abbrev abbrevs), 
19698  231 
Pretty.big_list "constraints:" (map (Pretty.block o prt_const) cnstrs), 
232 
Pretty.big_list "axioms:" (map pretty_axm axms), 

28290  233 
Pretty.strs ("oracles:" :: Thm.extern_oracles thy), 
19698  234 
Pretty.big_list "definitions:" 
19702  235 
[pretty_finals reds0, 
236 
Pretty.big_list "nonoverloaded:" (map pretty_reduct reds1), 

237 
Pretty.big_list "overloaded:" (map pretty_reduct reds2), 

238 
Pretty.big_list "pattern restrictions:" (map pretty_restrict rests)]] 

4250  239 
end; 
240 

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end; 
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242 

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structure Basic_Display: BASIC_DISPLAY = Display; 
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open Basic_Display; 