]> matita.cs.unibo.it Git - helm.git/blob - matita/contribs/LOGIC/datatypes_defs/Context.ma
tagged 0.5.0-rc1
[helm.git] / matita / contribs / LOGIC / datatypes_defs / Context.ma
1 (**************************************************************************)
2 (*       ___                                                              *)
3 (*      ||M||                                                             *)
4 (*      ||A||       A project by Andrea Asperti                           *)
5 (*      ||T||                                                             *)
6 (*      ||I||       Developers:                                           *)
7 (*      ||T||         The HELM team.                                      *)
8 (*      ||A||         http://helm.cs.unibo.it                             *)
9 (*      \   /                                                             *)
10 (*       \ /        This file is distributed under the terms of the       *)
11 (*        v         GNU General Public License Version 2                  *)
12 (*                                                                        *)
13 (**************************************************************************)
14
15
16
17 (* FLAT CONTEXTS
18    - Naming policy:
19      - contexts: P Q
20 *)
21
22 include "datatypes_defs/Proof.ma".
23 include "datatypes_defs/Sequent.ma".
24
25 inductive Context: Type \def
26    | leaf: Context
27    | abst: Context \to Proof \to Proof \to Sequent \to Context
28 .
29 (*
30 definition inj: Sequent \to Context \def abst leaf.
31
32 coercion cic:/matita/LOGIC/datatypes_defs/Context/inj.con.
33 *)