1 (**************************************************************************)
4 (* ||A|| A project by Andrea Asperti *)
6 (* ||I|| Developers: *)
7 (* ||T|| The HELM team. *)
8 (* ||A|| http://helm.cs.unibo.it *)
10 (* \ / This file is distributed under the terms of the *)
11 (* v GNU General Public License Version 2 *)
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15 set "baseuri" "cic:/matita/LAMBDA-TYPES/Unified-Sub/Inc/defs".
17 (* DISPLACEMENT INCREMENT RELATION
20 include "SUB/Term/defs.ma".
22 inductive Inc (q:Bool) (i:Nat): Head \to Nat \to Prop \def
23 | inc_bind: \forall r. Inc q i (bind q r) (succ i)
24 | inc_skip: \forall p. (q = p \to False) \to
25 \forall r. Inc q i (bind p r) i
26 | inc_flat: \forall p,r. Inc q i (flat p r) i