X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Frelocation%2Fsex_tc.ma;h=86db581d2d5b42f29bf52d2b54cb2ee0eed21ebf;hb=e0c91d8a4422da0b39aca790e5826dc8a617b303;hp=0a95ed3b0f5720832af36230e9b3f61c57061157;hpb=98e786e1a6bd7b621e37ba7cd4098d4a0a6f8278;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/static_2/relocation/sex_tc.ma b/matita/matita/contribs/lambdadelta/static_2/relocation/sex_tc.ma
index 0a95ed3b0..86db581d2 100644
--- a/matita/matita/contribs/lambdadelta/static_2/relocation/sex_tc.ma
+++ b/matita/matita/contribs/lambdadelta/static_2/relocation/sex_tc.ma
@@ -18,7 +18,7 @@ include "static_2/relocation/sex.ma".
 (* GENERIC ENTRYWISE EXTENSION OF CONTEXT-SENSITIVE REALTIONS FOR TERMS *****)
 
 definition s_rs_transitive_isid: relation (relation3 lenv bind bind) ≝ λRN,RP.
-                                 ∀f. 𝐈❪f❫ → s_rs_transitive … RP (λ_.sex RN RP f).
+                                 ∀f. 𝐈❨f❩ → s_rs_transitive … RP (λ_.sex RN RP f).
 
 (* Properties with transitive closure ***************************************)
 
@@ -82,7 +82,7 @@ qed.
 
 (* Basic_2A1: uses: TC_lpx_sn_ind *)
 theorem sex_tc_step_dx: ∀RN,RP. s_rs_transitive_isid RN RP →
-                        ∀f,L1,L. L1 ⪤[RN,RP,f] L → 𝐈❪f❫ →
+                        ∀f,L1,L. L1 ⪤[RN,RP,f] L → 𝐈❨f❩ →
                         ∀L2. L ⪤[RN,CTC … RP,f] L2 → L1⪤ [RN,CTC … RP,f] L2.
 #RN #RP #HRP #f #L1 #L #H elim H -f -L1 -L
 [ #f #_ #Y #H -HRP >(sex_inv_atom1 … H) -Y // ]
@@ -99,7 +99,7 @@ qed-.
 (* Advanced properties ******************************************************)
 
 lemma sex_tc_dx: ∀RN,RP. s_rs_transitive_isid RN RP →
-                 ∀f. 𝐈❪f❫ → ∀L1,L2. TC … (sex RN RP f) L1 L2 → L1 ⪤[RN,CTC … RP,f] L2.
+                 ∀f. 𝐈❨f❩ → ∀L1,L2. TC … (sex RN RP f) L1 L2 → L1 ⪤[RN,CTC … RP,f] L2.
 #RN #RP #HRP #f #Hf #L1 #L2 #H @(TC_ind_dx ??????? H) -L1
 /3 width=3 by sex_tc_step_dx, sex_tc_inj_dx/
 qed.