- the development of abstract reducibility candidates continues ...

[helm.git] / matita / matita / contribs / lambda_delta / Basic_2 / substitution / lift_lift.ma

diff --git a/matita/matita/contribs/lambda_delta/Basic_2/substitution/lift_lift.ma b/matita/matita/contribs/lambda_delta/Basic_2/substitution/lift_lift.ma
index 235c4233d1f1fc627ccf5bf7118a73814868c52c..d207ebf238d266cba87b007b8e43df27c59f5124 100644 (file)
--- a/matita/matita/contribs/lambda_delta/Basic_2/substitution/lift_lift.ma
+++ b/matita/matita/contribs/lambda_delta/Basic_2/substitution/lift_lift.ma
@@ -19,7 +19,7 @@ include "Basic_2/substitution/lift.ma".
 (* Main properies ***********************************************************)
 
 (* Basic_1: was: lift_inj *)
-theorem lift_inj:  ∀d,e,T1,U. ⇧[d,e] T1 ≡ U → ∀T2. ⇧[d,e] T2 ≡ U → T1 = T2.
+theorem lift_inj: ∀d,e,T1,U. ⇧[d,e] T1 ≡ U → ∀T2. ⇧[d,e] T2 ≡ U → T1 = T2.
 #d #e #T1 #U #H elim H -d -e -T1 -U
 [ #k #d #e #X #HX
   lapply (lift_inv_sort2 … HX) -HX //