X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Frsx_length.ma;h=4a5a8a4e50182a4ed719d96d94efbd8bc30a2c7f;hb=57ae1762497a5f3ea75740e2908e04adb8642cc2;hp=81021b2c89c51d342e5b88fed04ac26adddcc017;hpb=bd53c4e895203eb049e75434f638f26b5a161a2b;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/rsx_length.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/rsx_length.ma
index 81021b2c8..4a5a8a4e5 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/rsx_length.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/rsx_length.ma
@@ -21,18 +21,18 @@ include "basic_2/rt_computation/rsx.ma".
 (* Advanced properties ******************************************************)
 
 (* Basic_2A1: uses: lsx_sort *)
-lemma rsx_sort (h) (G): ∀L,s. G ⊢ ⬈*[h,⋆s] 𝐒❪L❫.
+lemma rsx_sort (h) (G): ∀L,s. G ⊢ ⬈*𝐒[h,⋆s] L.
 #h #G #L1 #s @rsx_intro #L2 #H #Hs
 elim Hs -Hs /3 width=3 by lpx_fwd_length, reqx_sort_length/
 qed.
 
 (* Basic_2A1: uses: lsx_gref *)
-lemma rsx_gref (h) (G): ∀L,l. G ⊢ ⬈*[h,§l] 𝐒❪L❫.
+lemma rsx_gref (h) (G): ∀L,l. G ⊢ ⬈*𝐒[h,§l] L.
 #h #G #L1 #s @rsx_intro #L2 #H #Hs
 elim Hs -Hs /3 width=3 by lpx_fwd_length, reqx_gref_length/
 qed.
 
-lemma rsx_unit (h) (G): ∀I,L. G ⊢ ⬈*[h,#0] 𝐒❪L.ⓤ[I]❫.
+lemma rsx_unit (h) (G): ∀I,L. G ⊢ ⬈*𝐒[h,#0] L.ⓤ[I].
 #h #G #I #L1 @rsx_intro
 #Y #HY #HnY elim HnY -HnY
 elim (lpx_inv_unit_sn … HY) -HY #L2 #HL12 #H destruct