+++ /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/notation/functions/weight_1.ma".
-include "basic_2/syntax/term.ma".
-
-(* WEIGHT OF A TERM *********************************************************)
-
-rec definition tw T ≝ match T with
-[ TAtom _ ⇒ 1
-| TPair _ V T ⇒ ↑(tw V + tw T)
-].
-
-interpretation "weight (term)" 'Weight T = (tw T).
-
-(* Basic properties *********************************************************)
-
-(* Basic_1: was: tweight_lt *)
-lemma tw_pos: ∀T. 1 ≤ ♯{T}.
-#T elim T -T //
-qed.
-
-(* Basic_1: removed theorems 11:
- wadd_le wadd_lt wadd_O weight_le weight_eq weight_add_O
- weight_add_S tlt_trans tlt_head_sx tlt_head_dx tlt_wf_ind
-*)
-(* Basic_1: removed local theorems 1: q_ind *)