X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fground%2Frelocation%2Fgr_id_eq.ma;h=f79aa988c8cea1487dd66347f509e1f41b8f57e9;hp=00a4d36919c53efde37a0d60d597964fcf45457f;hb=2ed8d2abcc3b0687141b627061b63350a0b200bd;hpb=b367de0252e88d6b0476648d5ceac7e4aeffca27 diff --git a/matita/matita/contribs/lambdadelta/ground/relocation/gr_id_eq.ma b/matita/matita/contribs/lambdadelta/ground/relocation/gr_id_eq.ma index 00a4d3691..f79aa988c 100644 --- a/matita/matita/contribs/lambdadelta/ground/relocation/gr_id_eq.ma +++ b/matita/matita/contribs/lambdadelta/ground/relocation/gr_id_eq.ma @@ -15,9 +15,9 @@ include "ground/relocation/gr_tl_eq.ma". include "ground/relocation/gr_id.ma". -(* IDENTITY ELEMENT FOR GENERIC RELOCATION MAPS ******************************************************) +(* IDENTITY ELEMENT FOR GENERIC RELOCATION MAPS *****************************) -(* Properties with gr_eq *) +(* Constructions with gr_eq *************************************************) corec lemma gr_id_eq (f): ⫯f ≡ f → 𝐢 ≡ f. cases gr_id_unfold #Hf @@ -27,7 +27,7 @@ cases H in Hf; -H #Hf /3 width=5 by gr_eq_inv_push_bi/ qed. -(* Inversions with gr_eq *) +(* Inversions with gr_eq ****************************************************) (* Note: this has the same proof of the previous *) corec lemma gr_id_inv_eq (f): 𝐢 ≡ f → ⫯f ≡ f.