update in ground

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

diff --git a/matita/matita/contribs/lambdadelta/ground/relocation/gr_uni_eq.ma b/matita/matita/contribs/lambdadelta/ground/relocation/gr_uni_eq.ma
index 6a538cb199da2336c1002055f68470b243a59184..f5795585bfa730d43cb659e4934a6227f8201ec8 100644 (file)
--- a/matita/matita/contribs/lambdadelta/ground/relocation/gr_uni_eq.ma
+++ b/matita/matita/contribs/lambdadelta/ground/relocation/gr_uni_eq.ma
@@ -16,9 +16,9 @@ include "ground/arith/nat_pred_succ.ma".
 include "ground/relocation/gr_tl_eq.ma".
 include "ground/relocation/gr_uni.ma".
 
-(* UNIFORM ELEMENTS FOR GENERIC RELOCATION MAPS ***********************************************************)
+(* UNIFORM ELEMENTS FOR GENERIC RELOCATION MAPS *****************************)
 
-(* Inversion lemmas with gr_eq ***************************************************)
+(* Inversions with gr_eq ****************************************************)
 
 (*** uni_inv_push_dx *)
 lemma gr_eq_inv_uni_push (n) (g):  𝐮❨n❩ ≡ ⫯g → ∧∧ 𝟎 = n & 𝐢 ≡ g.
@@ -44,7 +44,7 @@ qed-.
 lemma gr_eq_inv_next_uni (n) (g): ↑g ≡ 𝐮❨n❩ → ∧∧ 𝐮❨↓n❩ ≡ g & ↑↓n = n.
 /3 width=1 by gr_eq_inv_uni_next, gr_eq_sym/ qed-.
 
-(* Inversion lemmas with id and gr_eq *)
+(* Inversions with gr_id and gr_eq ******************************************)
 
 (*** uni_inv_id_dx *)
 lemma gr_eq_inv_uni_id (n): 𝐮❨n❩ ≡ 𝐢 → 𝟎 = n.