X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Frsx_length.ma;h=81021b2c89c51d342e5b88fed04ac26adddcc017;hp=1954e6b6be3ad9da06194886cb0fa442e57c12bd;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hpb=3b7b8afcb429a60d716d5226a5b6ab0d003228b1

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 1954e6b6b..81021b2c8 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 ⊢ ⬈*[h,⋆s] 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 ⊢ ⬈*[h,§l] 𝐒❪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 ⊢ ⬈*[h,#0] 𝐒❪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