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-rw-r--r--pretyping/evarconv.ml15
1 files changed, 8 insertions, 7 deletions
diff --git a/pretyping/evarconv.ml b/pretyping/evarconv.ml
index 766e6e0e9..6783e70a4 100644
--- a/pretyping/evarconv.ml
+++ b/pretyping/evarconv.ml
@@ -52,8 +52,9 @@ let evar_apprec env isevars stack c =
* possibly applied to arguments. *)
let rec evar_conv_x env isevars pbty term1 term2 =
- let term1 = whd_ise1 (evars_of isevars) term1 in
- let term2 = whd_ise1 (evars_of isevars) term2 in
+ let sigma = evars_of isevars in
+ let term1 = whd_castappevar sigma term1 in
+ let term2 = whd_castappevar sigma term2 in
(*
if eq_constr term1 term2 then
true
@@ -63,7 +64,7 @@ let rec evar_conv_x env isevars pbty term1 term2 =
is_fconv pbty env (evars_of isevars) term1 term2
else
*)
- (is_fconv pbty env (evars_of isevars) term1 term2) or
+ (is_fconv pbty env sigma term1 term2) or
if ise_undefined isevars term1 then
solve_simple_eqn evar_conv_x env isevars (pbty,destEvar term1,term2)
else if ise_undefined isevars term2 then
@@ -206,15 +207,15 @@ and evar_eqappr_x env isevars pbty (term1,l1 as appr1) (term2,l2 as appr2) =
| IsLambda (na,c1,c'1), IsLambda (_,c2,c'2) when l1=[] & l2=[] ->
evar_conv_x env isevars CONV c1 c2
&
- (let c = nf_ise1 (evars_of isevars) c1 in
+ (let c = nf_evar (evars_of isevars) c1 in
evar_conv_x (push_rel_assum (na,c) env) isevars CONV c'1 c'2)
| IsLetIn (na,b1,t1,c'1), IsLetIn (_,b2,_,c'2) ->
let f1 () =
evar_conv_x env isevars CONV b1 b2
&
- (let b = nf_ise1 (evars_of isevars) b1 in
- let t = nf_ise1 (evars_of isevars) t1 in
+ (let b = nf_evar (evars_of isevars) b1 in
+ let t = nf_evar (evars_of isevars) t1 in
evar_conv_x (push_rel_def (na,b,t) env) isevars pbty c'1 c'2)
& (List.length l1 = List.length l2)
& (List.for_all2 (evar_conv_x env isevars CONV) l1 l2)
@@ -236,7 +237,7 @@ and evar_eqappr_x env isevars pbty (term1,l1 as appr1) (term2,l2 as appr2) =
| IsProd (n,c1,c'1), IsProd (_,c2,c'2) when l1=[] & l2=[] ->
evar_conv_x env isevars CONV c1 c2
&
- (let c = nf_ise1 (evars_of isevars) c1 in
+ (let c = nf_evar (evars_of isevars) c1 in
evar_conv_x (push_rel_assum (n,c) env) isevars pbty c'1 c'2)
| IsMutInd (sp1,cl1), IsMutInd (sp2,cl2) ->