2 ||M|| This file is part of HELM, an Hypertextual, Electronic
3 ||A|| Library of Mathematics, developed at the Computer Science
4 ||T|| Department, University of Bologna, Italy.
6 ||T|| HELM is free software; you can redistribute it and/or
7 ||A|| modify it under the terms of the GNU General Public License
8 \ / version 2 or (at your option) any later version.
9 \ / This software is distributed as is, NO WARRANTY.
10 V_______________________________________________________________ *)
12 (* $Id: terms.mli 9822 2009-06-03 15:37:06Z tassi $ *)
14 module type NCicContext =
16 val metasenv : NCic.metasenv
17 val subst : NCic.substitution
18 val context : NCic.context
21 module NCicBlob(C : NCicContext) : Terms.Blob
22 with type t = NCic.term = struct
26 let eq x y = NCicReduction.alpha_eq C.metasenv C.subst C.context x y;;
30 | NCic.Rel i, NCic.Rel j -> i-j
31 | NCic.Meta (i,_), NCic.Meta (j,_) -> i-j
32 | NCic.Const r1, NCic.Const r2 -> NReference.compare r1 r2
33 | NCic.Appl l1, NCic.Appl l2 -> FoUtils.lexicograph compare l1 l2
34 | NCic.Rel _, ( NCic.Meta _ | NCic.Const _ | NCic.Appl _ ) -> ~-1
35 | ( NCic.Meta _ | NCic.Const _ | NCic.Appl _ ), NCic.Rel _ -> 1
36 | NCic.Const _, ( NCic.Meta _ | NCic.Appl _ ) -> ~-1
37 | ( NCic.Meta _ | NCic.Appl _ ), NCic.Const _ -> 1
38 | NCic.Appl _, NCic.Meta _ -> ~-1
39 | NCic.Meta _, NCic.Appl _ -> 1
44 if NCicReduction.alpha_eq C.metasenv C.subst C.context x y then 0
49 NCicPp.ppterm ~context:C.context ~metasenv:C.metasenv ~subst:C.subst t;;
53 OCic2NCic.reference_of_oxuri
54 (UriManager.uri_of_string
55 "cic:/matita/logic/equality/eq.ind#xpointer(1/1)")