syntactic components detached from basic_2 become static_2

[helm.git] / matita / matita / contribs / lambdadelta / static_2 / relocation / lifts_weight_bind.ma

diff --git a/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_weight_bind.ma b/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_weight_bind.ma
new file mode 100644 (file)
index 0000000..62135a0
--- /dev/null
+++ b/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_weight_bind.ma
@@ -0,0 +1,25 @@
+(**************************************************************************)
+(*       ___                                                              *)
+(*      ||M||                                                             *)
+(*      ||A||       A project by Andrea Asperti                           *)
+(*      ||T||                                                             *)
+(*      ||I||       Developers:                                           *)
+(*      ||T||         The HELM team.                                      *)
+(*      ||A||         http://helm.cs.unibo.it                             *)
+(*      \   /                                                             *)
+(*       \ /        This file is distributed under the terms of the       *)
+(*        v         GNU General Public License Version 2                  *)
+(*                                                                        *)
+(**************************************************************************)
+
+include "static_2/syntax/bind_weight.ma".
+include "static_2/relocation/lifts_weight.ma".
+include "static_2/relocation/lifts_bind.ma".
+
+(* GENERIC RELOCATION FOR BINDERS *******************************************)
+
+(* Forward lemmas with weight for binders ***********************************)
+
+lemma liftsb_fwd_bw: ∀f,I1,I2. ⬆*[f] I1 ≘ I2 → ♯{I1} = ♯{I2}.
+#f #I1 #I2 * -I1 -I2 /2 width=2 by lifts_fwd_tw/
+qed-.