X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Frelocation%2Flex_tc.ma;h=51039cd8d23232e77768800969464f1fa06e1b37;hb=98e786e1a6bd7b621e37ba7cd4098d4a0a6f8278;hp=5dadd4e18a1be9abf4bf58069d599c91eca92778;hpb=ff612dc35167ec0c145864c9aa8ae5e1ebe20a48;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/static_2/relocation/lex_tc.ma b/matita/matita/contribs/lambdadelta/static_2/relocation/lex_tc.ma
index 5dadd4e18..51039cd8d 100644
--- a/matita/matita/contribs/lambdadelta/static_2/relocation/lex_tc.ma
+++ b/matita/matita/contribs/lambdadelta/static_2/relocation/lex_tc.ma
@@ -46,8 +46,8 @@ qed-.
 lemma lex_CTC (R): s_rs_transitive … R (λ_. lex R) →
                    TC … (lex R) ⊆ lex (CTC … R).
 #R #HR #L1 #L2 #HL12
-lapply (monotonic_TC … (sex cfull (cext2 R) 𝐈𝐝) … HL12) -HL12
-[ #L1 #L2 * /3 width=3 by sex_eq_repl_fwd, eq_id_inv_isid/
+lapply (monotonic_TC … (sex cfull (cext2 R) 𝐢) … HL12) -HL12
+[ #L1 #L2 * /3 width=3 by sex_eq_repl_fwd, pr_isi_inv_eq_id/
 | /5 width=9 by s_rs_transitive_lex_inv_isid, sex_tc_dx, sex_co, ext2_tc, ex2_intro/
 ]
 qed-.