refactoring

[helm.git] / matita / contribs / LOGIC / Track / defs.ma

diff --git a/matita/contribs/LOGIC/Track/defs.ma b/matita/contribs/LOGIC/Track/defs.ma
deleted file mode 100644 (file)
index a9c4479..0000000
--- a/matita/contribs/LOGIC/Track/defs.ma
+++ /dev/null
@@ -1,38 +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                  *)
-(*                                                                        *)
-(**************************************************************************)
-
-set "baseuri" "cic:/matita/LOGIC/Track/defs".
-
-(* PROOF TREE TRACKS
-*)
-
-include "datatypes/Proof.ma".
-include "Insert/defs.ma".
-
-inductive Track: Context \to Proof \to Sequent \to Prop \def
-   | track_proj: \forall P,Q,S,i. Insert S i P Q \to Track Q (lref i) S
-   | track_posr: \forall P,h.
-                 Track P (parx h) (pair (posr h) (posr h))
-   | track_impw: \forall P,r,D,a,b. Track P r (pair lleaf D) \to
-                 Track P (impw r) (pair (impl a b) D)
-   | track_impr: \forall P,r. \forall a,b:Formula. 
-                 Track P r (pair a b) \to 
-                 Track P (impr r) (pair lleaf (impl a b))
-   | track_impi: \forall P,Q,p,q,r,A,B,D,i. \forall a,b:Formula.
-                 Track P p (pair A a) \to
-                 Track P q (pair b B) \to
-                Track Q r (pair lleaf D) \to
-                Insert (pair A B) i P Q \to
-                Track P (impi p q r) (pair (impl a b) D)
-.