+++ /dev/null
-(**************************************************************************)
-(* ___ *)
-(* ||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 "basic_2/syntax/term_weight.ma".
-include "basic_2/syntax/genv.ma".
-
-(* WEIGHT OF A GLOBAL ENVIRONMENT *******************************************)
-
-rec definition gw G ≝ match G with
-[ GAtom ⇒ 0
-| GPair G I T ⇒ gw G + ♯{T}
-].
-
-interpretation "weight (global environment)" 'Weight G = (gw G).
-
-(* Basic properties *********************************************************)
-
-lemma gw_pair: ∀I,G,T. ♯{G} < ♯{G.ⓑ{I}T}.
-normalize /2 width=1 by monotonic_le_plus_r/ qed.