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diff --git a/src/SpecificGen/GF41417_32Reflective/CommonBinOp.v b/src/SpecificGen/GF41417_32Reflective/CommonBinOp.v
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+++ b/src/SpecificGen/GF41417_32Reflective/CommonBinOp.v
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+Require Export Crypto.SpecificGen.GF41417_32Reflective.Common.
+Require Import Crypto.SpecificGen.GF41417_32BoundedCommon.
+Require Import Crypto.Reflection.Z.Interpretations.
+Require Import Crypto.Reflection.Syntax.
+Require Import Crypto.Reflection.Application.
+Require Import Crypto.Reflection.MapInterp.
+Require Import Crypto.Util.Tactics.
+
+Local Opaque Interp.
+Lemma ExprBinOp_correct_and_bounded
+      ropW op (ropZ_sig : rexpr_binop_sig op)
+      (Hbounds : correct_and_bounded_genT ropW ropZ_sig)
+      (H0 : forall xy
+                   (xy := (eta_fe41417_32W (fst xy), eta_fe41417_32W (snd xy)))
+                   (Hxy : is_bounded (fe41417_32WToZ (fst xy)) = true
+                          /\ is_bounded (fe41417_32WToZ (snd xy)) = true),
+          let Hx := let (Hx, Hy) := Hxy in Hx in
+          let Hy := let (Hx, Hy) := Hxy in Hy in
+          let args := binop_args_to_bounded xy Hx Hy in
+          match LiftOption.of'
+                  (ApplyInterpedAll (Interp (@BoundedWord64.interp_op) (MapInterp BoundedWord64.of_word64 ropW))
+                                    (LiftOption.to' (Some args)))
+          with
+          | Some _ => True
+          | None => False
+          end)
+      (H1 : forall xy
+                   (xy := (eta_fe41417_32W (fst xy), eta_fe41417_32W (snd xy)))
+                   (Hxy : is_bounded (fe41417_32WToZ (fst xy)) = true
+                          /\ is_bounded (fe41417_32WToZ (snd xy)) = true),
+          let Hx := let (Hx, Hy) := Hxy in Hx in
+          let Hy := let (Hx, Hy) := Hxy in Hy in
+          let args := binop_args_to_bounded (fst xy, snd xy) Hx Hy in
+          let x' := SmartVarfMap (fun _ : base_type => BoundedWord64.BoundedWordToBounds) args in
+          match LiftOption.of'
+                  (ApplyInterpedAll (Interp (@ZBounds.interp_op) (MapInterp ZBounds.of_word64 ropW)) (LiftOption.to' (Some x')))
+          with
+          | Some bounds => binop_bounds_good bounds = true
+          | None => False
+          end)
+  : binop_correct_and_bounded (MapInterp (fun _ x => x) ropW) op.
+Proof.
+  intros x y Hx Hy.
+  pose x as x'; pose y as y'.
+  hnf in x, y; destruct_head' prod.
+  specialize (H0 (x', y') (conj Hx Hy)).
+  specialize (H1 (x', y') (conj Hx Hy)).
+  let args := constr:(binop_args_to_bounded (x', y') Hx Hy) in
+  t_correct_and_bounded ropZ_sig Hbounds H0 H1 args.
+Qed.