some renaming and a minor addition

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / grammar / tstc_tstc.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/grammar/tstc_tstc.ma b/matita/matita/contribs/lambdadelta/basic_2/grammar/tstc_tstc.ma
deleted file mode 100644 (file)
index 83a17a6..0000000
--- a/matita/matita/contribs/lambdadelta/basic_2/grammar/tstc_tstc.ma
+++ /dev/null
@@ -1,32 +0,0 @@
-(**************************************************************************)
-(*       ___                                                              *)
-(*      ||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/grammar/tstc.ma".
-
-(* SAME TOP TERM CONSTRUCTOR ************************************************)
-
-(* Main properties **********************************************************)
-
-(* Basic_1: was: iso_trans *)
-theorem tstc_trans: Transitive … tstc.
-#T1 #T * -T1 -T //
-#I #V1 #V #T1 #T #X #H
-elim (tstc_inv_pair1 … H) -H #V2 #T2 #H destruct //
-qed-.
-
-theorem tstc_canc_sn: ∀T,T1. T ≂ T1 → ∀T2. T ≂ T2 → T1 ≂ T2.
-/3 width=3 by tstc_trans, tstc_sym/ qed-.
-
-theorem tstc_canc_dx: ∀T1,T. T1 ≂ T → ∀T2. T2 ≂ T → T1 ≂ T2.
-/3 width=3 by tstc_trans, tstc_sym/ qed-.