update in ground

[helm.git] / matita / matita / contribs / lambdadelta / ground / relocation / gr_isd_nexts.ma

diff --git a/matita/matita/contribs/lambdadelta/ground/relocation/gr_isd_nexts.ma b/matita/matita/contribs/lambdadelta/ground/relocation/gr_isd_nexts.ma
index 71c39b3359b6f5e44d42e0282efd1ade9aa47cbd..99a7cf37d3e6ff0b8ef6e993fc284d10b731e2e2 100644 (file)
--- a/matita/matita/contribs/lambdadelta/ground/relocation/gr_isd_nexts.ma
+++ b/matita/matita/contribs/lambdadelta/ground/relocation/gr_isd_nexts.ma
@@ -15,16 +15,16 @@
 include "ground/relocation/gr_nexts.ma".
 include "ground/relocation/gr_isd.ma".
 
-(* DIVERGENCE CONDITION FOR GENERIC RELOCATION MAPS ***********************************************************)
+(* DIVERGENCE CONDITION FOR GENERIC RELOCATION MAPS *************************)
 
-(* Properties with iterated next ********************************************)
+(* Constructions with gr_nexts **********************************************)
 
 (*** isdiv_nexts *)
 lemma gr_isd_nexts (n) (f): 𝛀❪f❫ → 𝛀❪↑*[n]f❫.
 #n @(nat_ind_succ … n) -n /3 width=3 by gr_isd_next/
 qed.
 
-(* Inversion lemmas with iterated next **************************************)
+(* Inversions with gr_nexts *************************************************)
 
 (*** isdiv_inv_nexts *)
 lemma gr_isd_inv_nexts (n) (g): 𝛀❪↑*[n]g❫ → 𝛀❪g❫.