--- a/src/HOL/Tools/groebner.ML Mon Sep 06 13:49:36 2021 +0200
+++ b/src/HOL/Tools/groebner.ML Mon Sep 06 14:05:22 2021 +0200
@@ -528,7 +528,7 @@
fun simp_ex_conv ctxt =
Simplifier.rewrite (put_simpset HOL_basic_ss ctxt addsimps @{thms simp_thms(39)})
-fun free_in v t = member op aconvc (Drule.cterm_frees_of t) v;
+fun free_in v t = member op aconvc (Misc_Legacy.cterm_frees t) v;
val vsubst = let
fun vsubst (t,v) tm =
@@ -736,7 +736,7 @@
val T = Thm.typ_of_cterm x;
val all = Thm.cterm_of ctxt (Const (\<^const_name>\<open>All\<close>, (T --> \<^typ>\<open>bool\<close>) --> \<^typ>\<open>bool\<close>))
in Thm.apply all (Thm.lambda x p) end
- val avs = Drule.cterm_frees_of tm
+ val avs = Misc_Legacy.cterm_frees tm
val P' = fold mk_forall avs tm
val th1 = initial_conv ctxt (mk_neg P')
val (evs,bod) = strip_exists(concl th1) in
@@ -795,7 +795,7 @@
val mons = striplist(dest_binary ring_add_tm) t
in member (op aconvc) mons v andalso
forall (fn m => v aconvc m
- orelse not(member (op aconvc) (Drule.cterm_frees_of m) v)) mons
+ orelse not(member (op aconvc) (Misc_Legacy.cterm_frees m) v)) mons
end
fun isolate_variable vars tm =
@@ -850,7 +850,7 @@
fun isolate_monomials vars tm =
let
val (cmons,vmons) =
- List.partition (fn m => null (inter (op aconvc) vars (Drule.cterm_frees_of m)))
+ List.partition (fn m => null (inter (op aconvc) vars (Misc_Legacy.cterm_frees m)))
(striplist ring_dest_add tm)
val cofactors = map (fn v => find_multipliers v vmons) vars
val cnc = if null cmons then zero_tm