X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fground%2Frelocation%2Fgr_after_after_ist.ma;h=ecca35eb73ab0e0858c348f8dec0e0fd63522f32;hb=8bbe582d87984526f40182c4409cbfd43108cb79;hp=a3c13ff76e2c830862f4e3eb145b1b741b3467a0;hpb=55c768d7e45babb300b5010463ba3196a68f1bbe;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/ground/relocation/gr_after_after_ist.ma b/matita/matita/contribs/lambdadelta/ground/relocation/gr_after_after_ist.ma
index a3c13ff76..ecca35eb7 100644
--- a/matita/matita/contribs/lambdadelta/ground/relocation/gr_after_after_ist.ma
+++ b/matita/matita/contribs/lambdadelta/ground/relocation/gr_after_after_ist.ma
@@ -17,14 +17,14 @@ include "ground/relocation/gr_pat_tls.ma".
 include "ground/relocation/gr_ist_tls.ma".
 include "ground/relocation/gr_after_pat_tls.ma".
 
-(* RELATIONAL COMPOSITION FOR GENERIC RELOCATION MAPS ***********************************************************)
+(* RELATIONAL COMPOSITION FOR GENERIC RELOCATION MAPS ***********************)
 
 (*** H_after_inj *)
 definition H_gr_after_inj: predicate gr_map ≝
            λf1. 𝐓❪f1❫ →
            ∀f,f21,f22. f1 ⊚ f21 ≘ f → f1 ⊚ f22 ≘ f → f21 ≡ f22.
 
-(* Main forward lemmas on istot **************************************************)
+(* Main destructions with gr_ist ********************************************)
 
 (*** after_inj_O_aux *)
 corec fact gr_after_inj_unit_aux:
@@ -39,7 +39,7 @@ cases (gr_after_inv_push_sn … H1f … H1) -H1f * #g21 #g #H1g #H21 #H
 | cases (gr_after_inv_push_sn_next … H2f … H1 H) -f1 -f #g22 #H2g #H22
   @(gr_eq_next … H21 H22) -f21 -f22
 ]
-@(gr_after_inj_unit_aux (⫱*[↓p]g1) … (⫱*[↓p]g)) -gr_after_inj_unit_aux
+@(gr_after_inj_unit_aux (⫰*[↓p]g1) … (⫰*[↓p]g)) -gr_after_inj_unit_aux
 /2 width=1 by gr_after_tls_sn_tls, gr_ist_tls, gr_pat_unit_succ_tls/
 qed-.