build_eqvts no longer requires permutations.
--- a/Nominal/Parser.thy Thu Mar 11 10:22:24 2010 +0100
+++ b/Nominal/Parser.thy Thu Mar 11 10:39:29 2010 +0100
@@ -323,13 +323,13 @@
else alpha_eqvt_tac alpha_induct_loc (raw_perm_def @ alpha_inj_loc) lthy4 1
val alpha_eqvt_loc = build_alpha_eqvts (List.take (alpha_ts_loc, length perms)) perms alpha_eqvt_tac' lthy4;
val alpha_eqvt = ProofContext.export lthy4 lthy2 alpha_eqvt_loc;
+ val (bv_eqvts, lthy5) = fold_map (build_bv_eqvt (raw_bn_eqs @ raw_perm_def) inducts) bns lthy4;
in
if !restricted_nominal = 0 then
((raw_dt_names, raw_bn_funs, raw_bn_eqs, raw_binds), lthy4)
else
let
- val (bv_eqvts, lthy5) = fold_map (build_bv_eqvt perms (raw_bn_eqs @ raw_perm_def) inducts) bns lthy4;
- val (fv_eqvts, lthy6) = build_eqvts Binding.empty fv_ts_loc perms
+ val (fv_eqvts, lthy6) = build_eqvts Binding.empty fv_ts_loc
((flat (map snd bv_eqvts)) @ fv_def_loc @ raw_perm_def) induct lthy5;
val raw_fv_bv_eqvt_loc = flat (map snd bv_eqvts) @ (snd fv_eqvts)
val raw_fv_bv_eqvt = ProofContext.export lthy6 lthy3 raw_fv_bv_eqvt_loc;
--- a/Nominal/Rsp.thy Thu Mar 11 10:22:24 2010 +0100
+++ b/Nominal/Rsp.thy Thu Mar 11 10:39:29 2010 +0100
@@ -120,16 +120,17 @@
*)
ML {*
-fun build_eqvts bind funs perms simps induct ctxt =
+fun build_eqvts bind funs simps induct ctxt =
let
val pi = Free ("p", @{typ perm});
val types = map (domain_type o fastype_of) funs;
val indnames = Name.variant_list ["p"] (Datatype_Prop.make_tnames (map body_type types));
val args = map Free (indnames ~~ types);
val perm_at = @{term "permute :: perm \<Rightarrow> atom set \<Rightarrow> atom set"}
- fun eqvtc (fnctn, (arg, perm)) =
- HOLogic.mk_eq ((perm_at $ pi $ (fnctn $ arg)), (fnctn $ (perm $ pi $ arg)))
- val gl = HOLogic.mk_Trueprop (foldr1 HOLogic.mk_conj (map eqvtc (funs ~~ (args ~~ perms))))
+ fun perm_arg arg = Const (@{const_name permute}, @{typ perm} --> fastype_of arg --> fastype_of arg)
+ fun eqvtc (fnctn, arg) =
+ HOLogic.mk_eq ((perm_at $ pi $ (fnctn $ arg)), (fnctn $ (perm_arg arg $ pi $ arg)))
+ val gl = HOLogic.mk_Trueprop (foldr1 HOLogic.mk_conj (map eqvtc (funs ~~ args)))
fun tac _ = (Datatype_Aux.indtac induct indnames THEN_ALL_NEW
(asm_full_simp_tac (HOL_ss addsimps
(@{thm atom_eqvt} :: (Nominal_ThmDecls.get_eqvts_thms ctxt) @ (Nominal_ThmDecls.get_eqvts_raw_thms ctxt) @ simps)))) 1
@@ -195,8 +196,8 @@
*}
ML {*
-fun build_bv_eqvt perms simps inducts (t, n) =
- build_eqvts Binding.empty [t] [nth perms n] simps (nth inducts n)
+fun build_bv_eqvt simps inducts (t, n) =
+ build_eqvts Binding.empty [t] simps (nth inducts n)
*}
end