author | blanchet |
Wed, 18 Sep 2013 20:43:55 +0200 | |
changeset 53705 | f58e289eceba |
parent 53592 | 5a7bf8c859f6 |
child 53723 | 73d63e2616aa |
permissions | -rw-r--r-- |
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(* Title: HOL/BNF/Tools/bnf_fp_rec_sugar_util.ML |
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Author: Lorenz Panny, TU Muenchen |
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Author: Jasmin Blanchette, TU Muenchen |
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Copyright 2013 |
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Library for recursor and corecursor sugar. |
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*) |
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signature BNF_FP_REC_SUGAR_UTIL = |
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sig |
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datatype rec_call = |
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No_Rec of int | |
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Direct_Rec of int (*before*) * int (*after*) | |
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Indirect_Rec of int |
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datatype corec_call = |
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Dummy_No_Corec of int | |
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No_Corec of int | |
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Direct_Corec of int (*stop?*) * int (*end*) * int (*continue*) | |
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Indirect_Corec of int |
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type rec_ctr_spec = |
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{ctr: term, |
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offset: int, |
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calls: rec_call list, |
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rec_thm: thm} |
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type corec_ctr_spec = |
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{ctr: term, |
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disc: term, |
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sels: term list, |
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pred: int option, |
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calls: corec_call list, |
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discI: thm, |
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sel_thms: thm list, |
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collapse: thm, |
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corec_thm: thm, |
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disc_corec: thm, |
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sel_corecs: thm list} |
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type rec_spec = |
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{recx: term, |
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nested_map_idents: thm list, |
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nested_map_comps: thm list, |
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ctr_specs: rec_ctr_spec list} |
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type corec_spec = |
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{corec: term, |
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nested_maps: thm list, |
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nested_map_idents: thm list, |
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nested_map_comps: thm list, |
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ctr_specs: corec_ctr_spec list} |
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val massage_indirect_rec_call: Proof.context -> (term -> bool) -> (typ -> typ -> term -> term) -> |
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typ list -> term -> term -> term -> term |
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val massage_direct_corec_call: Proof.context -> (term -> bool) -> (typ -> typ -> term -> term) -> |
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typ list -> typ -> term -> term |
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val massage_indirect_corec_call: Proof.context -> (term -> bool) -> |
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(typ -> typ -> term -> term) -> typ list -> typ -> term -> term |
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val rec_specs_of: binding list -> typ list -> typ list -> (term -> int list) -> |
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((term * term list list) list) list -> local_theory -> |
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(bool * rec_spec list * typ list * thm * thm list) * local_theory |
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val corec_specs_of: binding list -> typ list -> typ list -> (term -> int list) -> |
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((term * term list list) list) list -> local_theory -> |
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(bool * corec_spec list * typ list * thm * thm * thm list * thm list) * local_theory |
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end; |
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structure BNF_FP_Rec_Sugar_Util : BNF_FP_REC_SUGAR_UTIL = |
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struct |
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open BNF_Util |
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open BNF_Def |
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open BNF_Ctr_Sugar |
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open BNF_FP_Util |
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open BNF_FP_Def_Sugar |
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open BNF_FP_N2M_Sugar |
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datatype rec_call = |
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No_Rec of int | |
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Direct_Rec of int * int | |
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Indirect_Rec of int; |
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datatype corec_call = |
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Dummy_No_Corec of int | |
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No_Corec of int | |
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Direct_Corec of int * int * int | |
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Indirect_Corec of int; |
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type rec_ctr_spec = |
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{ctr: term, |
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offset: int, |
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calls: rec_call list, |
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rec_thm: thm}; |
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type corec_ctr_spec = |
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{ctr: term, |
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disc: term, |
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sels: term list, |
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pred: int option, |
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calls: corec_call list, |
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discI: thm, |
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sel_thms: thm list, |
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collapse: thm, |
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corec_thm: thm, |
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disc_corec: thm, |
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sel_corecs: thm list}; |
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type rec_spec = |
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{recx: term, |
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nested_map_idents: thm list, |
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nested_map_comps: thm list, |
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ctr_specs: rec_ctr_spec list}; |
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type corec_spec = |
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{corec: term, |
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nested_maps: thm list, |
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nested_map_idents: thm list, |
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nested_map_comps: thm list, |
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ctr_specs: corec_ctr_spec list}; |
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val id_def = @{thm id_def}; |
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123 |
exception AINT_NO_MAP of term; |
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|
124 |
|
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|
125 |
fun ill_formed_rec_call ctxt t = |
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|
126 |
error ("Ill-formed recursive call: " ^ quote (Syntax.string_of_term ctxt t)); |
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127 |
fun ill_formed_corec_call ctxt t = |
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|
128 |
error ("Ill-formed corecursive call: " ^ quote (Syntax.string_of_term ctxt t)); |
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|
129 |
fun invalid_map ctxt t = |
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|
130 |
error ("Invalid map function in " ^ quote (Syntax.string_of_term ctxt t)); |
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131 |
fun unexpected_rec_call ctxt t = |
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|
132 |
error ("Unexpected recursive call: " ^ quote (Syntax.string_of_term ctxt t)); |
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|
133 |
fun unexpected_corec_call ctxt t = |
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|
134 |
error ("Unexpected corecursive call: " ^ quote (Syntax.string_of_term ctxt t)); |
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|
135 |
|
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136 |
fun factor_out_types ctxt massage destU U T = |
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137 |
(case try destU U of |
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138 |
SOME (U1, U2) => if U1 = T then massage T U2 else invalid_map ctxt |
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139 |
| NONE => invalid_map ctxt); |
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|
140 |
|
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|
141 |
fun map_flattened_map_args ctxt s map_args fs = |
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|
142 |
let |
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|
143 |
val flat_fs = flatten_type_args_of_bnf (the (bnf_of ctxt s)) Term.dummy fs; |
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|
144 |
val flat_fs' = map_args flat_fs; |
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|
145 |
in |
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|
146 |
permute_like (op aconv) flat_fs fs flat_fs' |
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|
147 |
end; |
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|
148 |
|
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|
149 |
fun massage_indirect_rec_call ctxt has_call massage_unapplied_direct_call bound_Ts y y' = |
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|
150 |
let |
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|
151 |
val typof = curry fastype_of1 bound_Ts; |
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|
152 |
val build_map_fst = build_map ctxt (fst_const o fst); |
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|
153 |
|
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|
154 |
val yT = typof y; |
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|
155 |
val yU = typof y'; |
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|
156 |
|
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|
157 |
fun y_of_y' () = build_map_fst (yU, yT) $ y'; |
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|
158 |
val elim_y = Term.map_aterms (fn t => if t = y then y_of_y' () else t); |
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|
159 |
|
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|
160 |
fun check_and_massage_unapplied_direct_call U T t = |
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|
161 |
if has_call t then |
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|
162 |
factor_out_types ctxt massage_unapplied_direct_call HOLogic.dest_prodT U T t |
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|
163 |
else |
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|
164 |
HOLogic.mk_comp (t, build_map_fst (U, T)); |
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|
165 |
|
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|
166 |
fun massage_map (Type (_, Us)) (Type (s, Ts)) t = |
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|
167 |
(case try (dest_map ctxt s) t of |
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168 |
SOME (map0, fs) => |
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|
169 |
let |
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|
170 |
val Type (_, ran_Ts) = range_type (typof t); |
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171 |
val map' = mk_map (length fs) Us ran_Ts map0; |
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|
172 |
val fs' = map_flattened_map_args ctxt s (map3 massage_map_or_map_arg Us Ts) fs; |
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|
173 |
in |
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|
174 |
list_comb (map', fs') |
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|
175 |
end |
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176 |
| NONE => raise AINT_NO_MAP t) |
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177 |
| massage_map _ _ t = raise AINT_NO_MAP t |
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178 |
and massage_map_or_map_arg U T t = |
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179 |
if T = U then |
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|
180 |
if has_call t then unexpected_rec_call ctxt t else t |
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181 |
else |
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|
182 |
massage_map U T t |
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|
183 |
handle AINT_NO_MAP _ => check_and_massage_unapplied_direct_call U T t; |
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|
184 |
|
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|
185 |
fun massage_call (t as t1 $ t2) = |
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|
186 |
if t2 = y then |
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|
187 |
massage_map yU yT (elim_y t1) $ y' |
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|
188 |
handle AINT_NO_MAP t' => invalid_map ctxt t' |
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|
189 |
else |
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|
190 |
ill_formed_rec_call ctxt t |
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191 |
| massage_call t = if t = y then y_of_y' () else ill_formed_rec_call ctxt t; |
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|
192 |
in |
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|
193 |
massage_call o Envir.beta_eta_contract |
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|
194 |
end; |
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|
195 |
|
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|
196 |
fun massage_let_and_if ctxt has_call massage_rec massage_else U T t = |
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|
197 |
(case Term.strip_comb t of |
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|
198 |
(Const (@{const_name Let}, _), [arg1, arg2]) => massage_rec U T (betapply (arg2, arg1)) |
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|
199 |
| (Const (@{const_name If}, _), arg :: args) => |
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|
200 |
if has_call arg then unexpected_corec_call ctxt arg |
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201 |
else list_comb (If_const U $ arg, map (massage_rec U T) args) |
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|
202 |
| _ => massage_else U T t); |
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|
203 |
|
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|
204 |
fun massage_direct_corec_call ctxt has_call massage_direct_call bound_Ts res_U t = |
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|
205 |
let |
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|
206 |
val typof = curry fastype_of1 bound_Ts; |
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|
207 |
|
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|
208 |
fun massage_call U T = |
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|
209 |
massage_let_and_if ctxt has_call massage_call massage_direct_call U T; |
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|
210 |
in |
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|
211 |
massage_call res_U (typof t) (Envir.beta_eta_contract t) |
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|
212 |
end; |
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|
213 |
|
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|
214 |
fun massage_indirect_corec_call ctxt has_call massage_direct_call bound_Ts res_U t = |
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|
215 |
let |
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|
216 |
val typof = curry fastype_of1 bound_Ts; |
53411 | 217 |
val build_map_Inl = build_map ctxt (uncurry Inl_const o dest_sumT o snd) |
53303
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|
218 |
|
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|
219 |
fun check_and_massage_direct_call U T t = |
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|
220 |
if has_call t then factor_out_types ctxt massage_direct_call dest_sumT U T t |
53411 | 221 |
else build_map_Inl (T, U) $ t; |
53303
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|
222 |
|
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|
223 |
fun check_and_massage_unapplied_direct_call U T t = |
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|
224 |
let val var = Var ((Name.uu, Term.maxidx_of_term t + 1), domain_type (typof t)) in |
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|
225 |
Term.lambda var (check_and_massage_direct_call U T (t $ var)) |
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|
226 |
end; |
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|
227 |
|
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|
228 |
fun massage_map (Type (_, Us)) (Type (s, Ts)) t = |
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|
229 |
(case try (dest_map ctxt s) t of |
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230 |
SOME (map0, fs) => |
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|
231 |
let |
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|
232 |
val Type (_, dom_Ts) = domain_type (typof t); |
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|
233 |
val map' = mk_map (length fs) dom_Ts Us map0; |
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|
234 |
val fs' = map_flattened_map_args ctxt s (map3 massage_map_or_map_arg Us Ts) fs; |
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|
235 |
in |
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|
236 |
list_comb (map', fs') |
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|
237 |
end |
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|
238 |
| NONE => raise AINT_NO_MAP t) |
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|
239 |
| massage_map _ _ t = raise AINT_NO_MAP t |
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|
240 |
and massage_map_or_map_arg U T t = |
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|
241 |
if T = U then |
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|
242 |
if has_call t then unexpected_corec_call ctxt t else t |
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|
243 |
else |
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|
244 |
massage_map U T t |
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|
245 |
handle AINT_NO_MAP _ => check_and_massage_unapplied_direct_call U T t; |
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|
246 |
|
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|
247 |
fun massage_call U T = |
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|
248 |
massage_let_and_if ctxt has_call massage_call |
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|
249 |
(fn U => fn T => fn t => |
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|
250 |
(case U of |
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|
251 |
Type (s, Us) => |
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|
252 |
(case try (dest_ctr ctxt s) t of |
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|
253 |
SOME (f, args) => |
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|
254 |
let val f' = mk_ctr Us f in |
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|
255 |
list_comb (f', map3 massage_call (binder_types (typof f')) (map typof args) args) |
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|
256 |
end |
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|
257 |
| NONE => |
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|
258 |
(case t of |
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|
259 |
t1 $ t2 => |
53411 | 260 |
(if has_call t2 then |
53303
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|
261 |
check_and_massage_direct_call U T t |
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|
262 |
else |
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|
263 |
massage_map U T t1 $ t2 |
53411 | 264 |
handle AINT_NO_MAP _ => check_and_massage_direct_call U T t) |
53303
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|
265 |
| _ => check_and_massage_direct_call U T t)) |
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|
266 |
| _ => ill_formed_corec_call ctxt t)) |
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|
267 |
U T |
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|
268 |
in |
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|
269 |
massage_call res_U (typof t) (Envir.beta_eta_contract t) |
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|
270 |
end; |
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|
271 |
|
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|
272 |
fun indexed xs h = let val h' = h + length xs in (h upto h' - 1, h') end; |
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|
273 |
fun indexedd xss = fold_map indexed xss; |
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|
274 |
fun indexeddd xsss = fold_map indexedd xsss; |
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|
275 |
fun indexedddd xssss = fold_map indexeddd xssss; |
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|
276 |
|
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|
277 |
fun find_index_eq hs h = find_index (curry (op =) h) hs; |
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|
278 |
|
53476
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|
279 |
(*FIXME: remove special cases for products and sum once they are registered as datatypes*) |
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|
280 |
fun map_thms_of_typ ctxt (Type (s, _)) = |
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|
281 |
if s = @{type_name prod} then |
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|
282 |
@{thms map_pair_simp} |
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|
283 |
else if s = @{type_name sum} then |
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|
284 |
@{thms sum_map.simps} |
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|
285 |
else |
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|
286 |
(case fp_sugar_of ctxt s of |
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|
287 |
SOME {index, mapss, ...} => nth mapss index |
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|
288 |
| NONE => []) |
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|
289 |
| map_thms_of_typ _ _ = []; |
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|
290 |
|
53303
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|
291 |
val lose_co_rec = false (*FIXME: try true?*); |
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|
292 |
|
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|
293 |
fun rec_specs_of bs arg_Ts res_Ts get_indices callssss0 lthy = |
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|
294 |
let |
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|
295 |
val thy = Proof_Context.theory_of lthy; |
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changeset
|
296 |
|
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|
297 |
val ((nontriv, missing_arg_Ts, perm0_kks, |
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|
298 |
fp_sugars as {nested_bnfs, fp_res = {xtor_co_iterss = ctor_iters1 :: _, ...}, |
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|
299 |
co_inducts = [induct_thm], ...} :: _), lthy') = |
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|
300 |
nested_to_mutual_fps lose_co_rec Least_FP bs arg_Ts get_indices callssss0 lthy; |
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changeset
|
301 |
|
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|
302 |
val perm_fp_sugars = sort (int_ord o pairself #index) fp_sugars; |
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changeset
|
303 |
|
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|
304 |
val indices = map #index fp_sugars; |
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changeset
|
305 |
val perm_indices = map #index perm_fp_sugars; |
ae49b835ca01
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changeset
|
306 |
|
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changeset
|
307 |
val perm_ctrss = map (#ctrs o of_fp_sugar #ctr_sugars) perm_fp_sugars; |
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changeset
|
308 |
val perm_ctr_Tsss = map (map (binder_types o fastype_of)) perm_ctrss; |
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changeset
|
309 |
val perm_fpTs = map (body_type o fastype_of o hd) perm_ctrss; |
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changeset
|
310 |
|
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changeset
|
311 |
val nn0 = length arg_Ts; |
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changeset
|
312 |
val nn = length perm_fpTs; |
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changeset
|
313 |
val kks = 0 upto nn - 1; |
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changeset
|
314 |
val perm_ns = map length perm_ctr_Tsss; |
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parents:
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changeset
|
315 |
val perm_mss = map (map length) perm_ctr_Tsss; |
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diff
changeset
|
316 |
|
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changeset
|
317 |
val perm_Cs = map (body_type o fastype_of o co_rec_of o of_fp_sugar (#xtor_co_iterss o #fp_res)) |
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changeset
|
318 |
perm_fp_sugars; |
53592
5a7bf8c859f6
made non-co case more robust as well (cf. b6e2993fd0d3)
blanchet
parents:
53591
diff
changeset
|
319 |
val perm_fun_arg_Tssss = |
5a7bf8c859f6
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blanchet
parents:
53591
diff
changeset
|
320 |
mk_iter_fun_arg_types perm_ctr_Tsss perm_ns perm_mss (co_rec_of ctor_iters1); |
53303
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changeset
|
321 |
|
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changeset
|
322 |
fun unpermute0 perm0_xs = permute_like (op =) perm0_kks kks perm0_xs; |
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changeset
|
323 |
fun unpermute perm_xs = permute_like (op =) perm_indices indices perm_xs; |
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changeset
|
324 |
|
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|
325 |
val induct_thms = unpermute0 (conj_dests nn induct_thm); |
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changeset
|
326 |
|
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changeset
|
327 |
val fpTs = unpermute perm_fpTs; |
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changeset
|
328 |
val Cs = unpermute perm_Cs; |
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diff
changeset
|
329 |
|
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changeset
|
330 |
val As_rho = tvar_subst thy (take nn0 fpTs) arg_Ts; |
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changeset
|
331 |
val Cs_rho = map (fst o dest_TVar) Cs ~~ pad_list HOLogic.unitT nn res_Ts; |
ae49b835ca01
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changeset
|
332 |
|
ae49b835ca01
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changeset
|
333 |
val substA = Term.subst_TVars As_rho; |
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changeset
|
334 |
val substAT = Term.typ_subst_TVars As_rho; |
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|
335 |
val substCT = Term.typ_subst_TVars Cs_rho; |
ae49b835ca01
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changeset
|
336 |
|
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changeset
|
337 |
val perm_Cs' = map substCT perm_Cs; |
ae49b835ca01
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changeset
|
338 |
|
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changeset
|
339 |
fun offset_of_ctr 0 _ = 0 |
ae49b835ca01
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|
340 |
| offset_of_ctr n ({ctrs, ...} :: ctr_sugars) = |
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|
341 |
length ctrs + offset_of_ctr (n - 1) ctr_sugars; |
ae49b835ca01
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changeset
|
342 |
|
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|
343 |
fun call_of [i] [T] = (if exists_subtype_in Cs T then Indirect_Rec else No_Rec) i |
ae49b835ca01
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|
344 |
| call_of [i, i'] _ = Direct_Rec (i, i'); |
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changeset
|
345 |
|
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|
346 |
fun mk_ctr_spec ctr offset fun_arg_Tss rec_thm = |
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|
347 |
let |
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|
348 |
val (fun_arg_hss, _) = indexedd fun_arg_Tss 0; |
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|
349 |
val fun_arg_hs = flat_rec_arg_args fun_arg_hss; |
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|
350 |
val fun_arg_iss = map (map (find_index_eq fun_arg_hs)) fun_arg_hss; |
ae49b835ca01
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changeset
|
351 |
in |
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changeset
|
352 |
{ctr = substA ctr, offset = offset, calls = map2 call_of fun_arg_iss fun_arg_Tss, |
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changeset
|
353 |
rec_thm = rec_thm} |
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moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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|
354 |
end; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
355 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
356 |
fun mk_ctr_specs index ctr_sugars iter_thmsss = |
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|
357 |
let |
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changeset
|
358 |
val ctrs = #ctrs (nth ctr_sugars index); |
ae49b835ca01
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changeset
|
359 |
val rec_thmss = co_rec_of (nth iter_thmsss index); |
ae49b835ca01
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changeset
|
360 |
val k = offset_of_ctr index ctr_sugars; |
ae49b835ca01
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changeset
|
361 |
val n = length ctrs; |
ae49b835ca01
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diff
changeset
|
362 |
in |
ae49b835ca01
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changeset
|
363 |
map4 mk_ctr_spec ctrs (k upto k + n - 1) (nth perm_fun_arg_Tssss index) rec_thmss |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
364 |
end; |
ae49b835ca01
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changeset
|
365 |
|
ae49b835ca01
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changeset
|
366 |
fun mk_spec {T, index, ctr_sugars, co_iterss = iterss, co_iter_thmsss = iter_thmsss, ...} = |
ae49b835ca01
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changeset
|
367 |
{recx = mk_co_iter thy Least_FP (substAT T) perm_Cs' (co_rec_of (nth iterss index)), |
53329 | 368 |
nested_map_idents = map (unfold_thms lthy [id_def] o map_id0_of_bnf) nested_bnfs, |
53303
ae49b835ca01
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changeset
|
369 |
nested_map_comps = map map_comp_of_bnf nested_bnfs, |
ae49b835ca01
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changeset
|
370 |
ctr_specs = mk_ctr_specs index ctr_sugars iter_thmsss}; |
ae49b835ca01
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changeset
|
371 |
in |
ae49b835ca01
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changeset
|
372 |
((nontriv, map mk_spec fp_sugars, missing_arg_Ts, induct_thm, induct_thms), lthy') |
ae49b835ca01
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changeset
|
373 |
end; |
ae49b835ca01
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changeset
|
374 |
|
ae49b835ca01
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changeset
|
375 |
fun corec_specs_of bs arg_Ts res_Ts get_indices callssss0 lthy = |
ae49b835ca01
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|
376 |
let |
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changeset
|
377 |
val thy = Proof_Context.theory_of lthy; |
ae49b835ca01
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changeset
|
378 |
|
ae49b835ca01
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changeset
|
379 |
val ((nontriv, missing_res_Ts, perm0_kks, |
53475 | 380 |
fp_sugars as {nested_bnfs, fp_res = {xtor_co_iterss = dtor_coiters1 :: _, ...}, |
53476
eb3865c3ee58
include map theorems in datastructure for "primcorec"
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53475
diff
changeset
|
381 |
co_inducts = coinduct_thms, ...} :: _), lthy') = |
53303
ae49b835ca01
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changeset
|
382 |
nested_to_mutual_fps lose_co_rec Greatest_FP bs res_Ts get_indices callssss0 lthy; |
ae49b835ca01
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changeset
|
383 |
|
ae49b835ca01
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changeset
|
384 |
val perm_fp_sugars = sort (int_ord o pairself #index) fp_sugars; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
385 |
|
ae49b835ca01
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changeset
|
386 |
val indices = map #index fp_sugars; |
ae49b835ca01
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changeset
|
387 |
val perm_indices = map #index perm_fp_sugars; |
ae49b835ca01
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changeset
|
388 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
389 |
val perm_ctrss = map (#ctrs o of_fp_sugar #ctr_sugars) perm_fp_sugars; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
390 |
val perm_ctr_Tsss = map (map (binder_types o fastype_of)) perm_ctrss; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
391 |
val perm_fpTs = map (body_type o fastype_of o hd) perm_ctrss; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
392 |
|
ae49b835ca01
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changeset
|
393 |
val nn0 = length res_Ts; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
394 |
val nn = length perm_fpTs; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
395 |
val kks = 0 upto nn - 1; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
396 |
val perm_ns = map length perm_ctr_Tsss; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
397 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
398 |
val perm_Cs = map (domain_type o body_fun_type o fastype_of o co_rec_of o |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
399 |
of_fp_sugar (#xtor_co_iterss o #fp_res)) perm_fp_sugars; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
400 |
val (perm_p_Tss, (perm_q_Tssss, _, perm_f_Tssss, _)) = |
53591 | 401 |
mk_coiter_fun_arg_types perm_ctr_Tsss perm_Cs perm_ns (co_rec_of dtor_coiters1); |
53303
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
402 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
403 |
val (perm_p_hss, h) = indexedd perm_p_Tss 0; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
404 |
val (perm_q_hssss, h') = indexedddd perm_q_Tssss h; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
405 |
val (perm_f_hssss, _) = indexedddd perm_f_Tssss h'; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
406 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
407 |
val fun_arg_hs = |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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parents:
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changeset
|
408 |
flat (map3 flat_corec_preds_predsss_gettersss perm_p_hss perm_q_hssss perm_f_hssss); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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diff
changeset
|
409 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
410 |
fun unpermute0 perm0_xs = permute_like (op =) perm0_kks kks perm0_xs; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
411 |
fun unpermute perm_xs = permute_like (op =) perm_indices indices perm_xs; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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diff
changeset
|
412 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
413 |
val coinduct_thmss = map (unpermute0 o conj_dests nn) coinduct_thms; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
414 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
415 |
val p_iss = map (map (find_index_eq fun_arg_hs)) (unpermute perm_p_hss); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
416 |
val q_issss = map (map (map (map (find_index_eq fun_arg_hs)))) (unpermute perm_q_hssss); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
417 |
val f_issss = map (map (map (map (find_index_eq fun_arg_hs)))) (unpermute perm_f_hssss); |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
418 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
419 |
val f_Tssss = unpermute perm_f_Tssss; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
420 |
val fpTs = unpermute perm_fpTs; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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parents:
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changeset
|
421 |
val Cs = unpermute perm_Cs; |
ae49b835ca01
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diff
changeset
|
422 |
|
ae49b835ca01
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changeset
|
423 |
val As_rho = tvar_subst thy (take nn0 fpTs) res_Ts; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
424 |
val Cs_rho = map (fst o dest_TVar) Cs ~~ pad_list HOLogic.unitT nn arg_Ts; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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diff
changeset
|
425 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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changeset
|
426 |
val substA = Term.subst_TVars As_rho; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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parents:
diff
changeset
|
427 |
val substAT = Term.typ_subst_TVars As_rho; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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parents:
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changeset
|
428 |
val substCT = Term.typ_subst_TVars Cs_rho; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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diff
changeset
|
429 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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parents:
diff
changeset
|
430 |
val perm_Cs' = map substCT perm_Cs; |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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parents:
diff
changeset
|
431 |
|
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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diff
changeset
|
432 |
fun call_of nullary [] [g_i] [Type (@{type_name fun}, [_, T])] = |
ae49b835ca01
moved files related to "primrec_new", "primcorec", and "datatype_compat" from bitbucket co-rec repository
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|
433 |
(if exists_subtype_in Cs T then Indirect_Corec |
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434 |
else if nullary then Dummy_No_Corec |
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435 |
else No_Corec) g_i |
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436 |
| call_of _ [q_i] [g_i, g_i'] _ = Direct_Corec (q_i, g_i, g_i'); |
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437 |
|
53705 | 438 |
fun mk_ctr_spec ctr disc sels p_ho q_iss f_iss f_Tss discI sel_thms collapse corec_thm |
439 |
disc_corec sel_corecs = |
|
53303
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440 |
let val nullary = not (can dest_funT (fastype_of ctr)) in |
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|
441 |
{ctr = substA ctr, disc = substA disc, sels = map substA sels, pred = p_ho, |
53705 | 442 |
calls = map3 (call_of nullary) q_iss f_iss f_Tss, discI = discI, sel_thms = sel_thms, |
443 |
collapse = collapse, corec_thm = corec_thm, disc_corec = disc_corec, |
|
444 |
sel_corecs = sel_corecs} |
|
53303
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|
445 |
end; |
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|
446 |
|
53475 | 447 |
fun mk_ctr_specs index ctr_sugars p_is q_isss f_isss f_Tsss coiter_thmsss disc_coitersss |
448 |
sel_coiterssss = |
|
53303
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|
449 |
let |
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|
450 |
val ctrs = #ctrs (nth ctr_sugars index); |
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|
451 |
val discs = #discs (nth ctr_sugars index); |
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|
452 |
val selss = #selss (nth ctr_sugars index); |
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|
453 |
val p_ios = map SOME p_is @ [NONE]; |
53705 | 454 |
val discIs = #discIs (nth ctr_sugars index); |
455 |
val sel_thmss = #sel_thmss (nth ctr_sugars index); |
|
53475 | 456 |
val collapses = #collapses (nth ctr_sugars index); |
457 |
val corec_thms = co_rec_of (nth coiter_thmsss index); |
|
53590
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458 |
val disc_corecs = (case co_rec_of (nth disc_coitersss index) of [] => [TrueI] |
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|
459 |
| thms => thms); |
53475 | 460 |
val sel_corecss = co_rec_of (nth sel_coiterssss index); |
53303
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|
461 |
in |
53705 | 462 |
map13 mk_ctr_spec ctrs discs selss p_ios q_isss f_isss f_Tsss discIs sel_thmss collapses |
463 |
corec_thms disc_corecs sel_corecss |
|
53303
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|
464 |
end; |
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|
465 |
|
53475 | 466 |
fun mk_spec {T, index, ctr_sugars, co_iterss = coiterss, co_iter_thmsss = coiter_thmsss, |
467 |
disc_co_itersss = disc_coitersss, sel_co_iterssss = sel_coiterssss, ...} |
|
53303
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|
468 |
p_is q_isss f_isss f_Tsss = |
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|
469 |
{corec = mk_co_iter thy Greatest_FP (substAT T) perm_Cs' (co_rec_of (nth coiterss index)), |
53476
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470 |
nested_maps = maps (map_thms_of_typ lthy o T_of_bnf) nested_bnfs, |
53475 | 471 |
nested_map_idents = map (unfold_thms lthy [id_def] o map_id0_of_bnf) nested_bnfs, |
472 |
nested_map_comps = map map_comp_of_bnf nested_bnfs, |
|
473 |
ctr_specs = mk_ctr_specs index ctr_sugars p_is q_isss f_isss f_Tsss coiter_thmsss |
|
474 |
disc_coitersss sel_coiterssss}; |
|
53303
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|
475 |
in |
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|
476 |
((nontriv, map5 mk_spec fp_sugars p_iss q_issss f_issss f_Tssss, missing_res_Ts, |
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|
477 |
co_induct_of coinduct_thms, strong_co_induct_of coinduct_thms, co_induct_of coinduct_thmss, |
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|
478 |
strong_co_induct_of coinduct_thmss), lthy') |
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|
479 |
end; |
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|
480 |
|
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|
481 |
end; |