update in ground

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

diff --git a/matita/matita/contribs/lambdadelta/ground/relocation/gr_sor_tls.ma b/matita/matita/contribs/lambdadelta/ground/relocation/gr_sor_tls.ma
index 5c055d02e1df9909f51d74ea7d51061618662171..33a55aa150516b362ea096dba5851a798321a9a4 100644 (file)
--- a/matita/matita/contribs/lambdadelta/ground/relocation/gr_sor_tls.ma
+++ b/matita/matita/contribs/lambdadelta/ground/relocation/gr_sor_tls.ma
@@ -15,14 +15,14 @@
 include "ground/relocation/gr_tls.ma".
 include "ground/relocation/gr_sor.ma".
 
-(* RELATIONAL UNION FOR GENERIC RELOCATION MAPS ***********************************************************)
+(* RELATIONAL UNION FOR GENERIC RELOCATION MAPS *****************************)
 
-(* Properties with iterated tail ********************************************)
+(* Constructions with gr_tls ************************************************)
 
 (*** sor_tls *)
 lemma gr_sor_tls:
       ∀f1,f2,f. f1 ⋓ f2 ≘ f →
-      â\88\80n. ⫱*[n]f1 â\8b\93 ⫱*[n]f2 â\89\98 ⫱*[n]f.
+      â\88\80n. â«°*[n]f1 â\8b\93 â«°*[n]f2 â\89\98 â«°*[n]f.
 #f1 #f2 #f #Hf #n @(nat_ind_succ … n) -n
 /2 width=1 by gr_sor_tl/
 qed.