X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fground_2%2Frelocation%2Frtmap_sle.ma;h=c08d574cd83fe438d6a2b90e110803304a905502;hp=373be5488d50fd4e6ab1442b2714abc63e1ecbe0;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hpb=3b7b8afcb429a60d716d5226a5b6ab0d003228b1

diff --git a/matita/matita/contribs/lambdadelta/ground_2/relocation/rtmap_sle.ma b/matita/matita/contribs/lambdadelta/ground_2/relocation/rtmap_sle.ma
index 373be5488..c08d574cd 100644
--- a/matita/matita/contribs/lambdadelta/ground_2/relocation/rtmap_sle.ma
+++ b/matita/matita/contribs/lambdadelta/ground_2/relocation/rtmap_sle.ma
@@ -154,7 +154,7 @@ qed.
 
 (* Properties with isid *****************************************************)
 
-corec lemma sle_isid_sn: ∀f1. 𝐈⦃f1⦄ → ∀f2. f1 ⊆ f2.
+corec lemma sle_isid_sn: ∀f1. 𝐈❪f1❫ → ∀f2. f1 ⊆ f2.
 #f1 * -f1
 #f1 #g1 #Hf1 #H1 #f2 cases (pn_split f2) *
 /3 width=5 by sle_weak, sle_push/
@@ -162,7 +162,7 @@ qed.
 
 (* Inversion lemmas with isid ***********************************************)
 
-corec lemma sle_inv_isid_dx: ∀f1,f2. f1 ⊆ f2 → 𝐈⦃f2⦄ → 𝐈⦃f1⦄.
+corec lemma sle_inv_isid_dx: ∀f1,f2. f1 ⊆ f2 → 𝐈❪f2❫ → 𝐈❪f1❫.
 #f1 #f2 * -f1 -f2
 #f1 #f2 #g1 #g2 #Hf * * #H
 [2,3: elim (isid_inv_next … H) // ]
@@ -172,7 +172,7 @@ qed-.
 
 (* Properties with isdiv ****************************************************)
 
-corec lemma sle_isdiv_dx: ∀f2. 𝛀⦃f2⦄ → ∀f1. f1 ⊆ f2.
+corec lemma sle_isdiv_dx: ∀f2. 𝛀❪f2❫ → ∀f1. f1 ⊆ f2.
 #f2 * -f2
 #f2 #g2 #Hf2 #H2 #f1 cases (pn_split f1) *
 /3 width=5 by sle_weak, sle_next/
@@ -180,7 +180,7 @@ qed.
 
 (* Inversion lemmas with isdiv **********************************************)
 
-corec lemma sle_inv_isdiv_sn: ∀f1,f2. f1 ⊆ f2 → 𝛀⦃f1⦄ → 𝛀⦃f2⦄.
+corec lemma sle_inv_isdiv_sn: ∀f1,f2. f1 ⊆ f2 → 𝛀❪f1❫ → 𝛀❪f2❫.
 #f1 #f2 * -f1 -f2
 #f1 #f2 #g1 #g2 #Hf * * #H
 [1,3: elim (isdiv_inv_push … H) // ]