From: Ferruccio Guidi Date: Sat, 26 Mar 2022 16:56:36 +0000 (+0100) Subject: update in ground X-Git-Tag: make_still_working~80 X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=commitdiff_plain;h=aa994e4c3126b43753f9ab8780bcb55a1df3f22a update in ground + some additions and corrections --- diff --git a/matita/matita/contribs/lambdadelta/ground/relocation/tr_id.ma b/matita/matita/contribs/lambdadelta/ground/relocation/tr_id.ma index 9b421ee43..4360fcb11 100644 --- a/matita/matita/contribs/lambdadelta/ground/relocation/tr_id.ma +++ b/matita/matita/contribs/lambdadelta/ground/relocation/tr_id.ma @@ -23,7 +23,7 @@ interpretation "identity element (total relocation streams)" 'ElementI = (tr_id). -(* Basic constructions (specific) *******************************************) +(* Basic constructions ******************************************************) lemma tr_id_unfold: ⫯𝐢 = 𝐢. <(stream_unfold … (𝐢)) in ⊢ (???%); // diff --git a/matita/matita/contribs/lambdadelta/ground/relocation/tr_id_hdtl.ma b/matita/matita/contribs/lambdadelta/ground/relocation/tr_id_hdtl.ma new file mode 100644 index 000000000..57f5b4a69 --- /dev/null +++ b/matita/matita/contribs/lambdadelta/ground/relocation/tr_id_hdtl.ma @@ -0,0 +1,30 @@ +(**************************************************************************) +(* ___ *) +(* ||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 "ground/relocation/tr_pn_hdtl.ma". +include "ground/relocation/tr_id.ma". + +(* IDENTITY ELEMENT FOR TOTAL RELOCATION MAPS *******************************) + +(* Constructions with stream_hd *********************************************) + +lemma tr_hd_id: + (𝟏) = ⇃𝐢. +// qed. + +(* Constructions with stream_tl *********************************************) + +lemma tr_tl_id: + (𝐢) = ⇂𝐢. +// qed. diff --git a/matita/matita/contribs/lambdadelta/ground/relocation/tr_id_tls.ma b/matita/matita/contribs/lambdadelta/ground/relocation/tr_id_tls.ma new file mode 100644 index 000000000..20906fe9c --- /dev/null +++ b/matita/matita/contribs/lambdadelta/ground/relocation/tr_id_tls.ma @@ -0,0 +1,26 @@ +(**************************************************************************) +(* ___ *) +(* ||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 "ground/lib/stream_tls.ma". +include "ground/relocation/tr_id_hdtl.ma". + +(* IDENTITY ELEMENT FOR TOTAL RELOCATION MAPS *******************************) + +(* Constructions with stream_tls ********************************************) + +lemma tr_tls_id (n): + (𝐢) = ⇂*[n]𝐢. +#n @(nat_ind_succ … n) -n // +#n #IH