X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Fstatic%2Frex_lex.ma;h=d031d93c40aefb5dc4d595e70cc67f99c3a764e6;hp=ffaebbc2ee55e7b2400db1ad8597122df0a7a601;hb=f308429a0fde273605a2330efc63268b4ac36c99;hpb=87f57ddc367303c33e19c83cd8989cd561f3185b

diff --git a/matita/matita/contribs/lambdadelta/static_2/static/rex_lex.ma b/matita/matita/contribs/lambdadelta/static_2/static/rex_lex.ma
index ffaebbc2e..d031d93c4 100644
--- a/matita/matita/contribs/lambdadelta/static_2/static/rex_lex.ma
+++ b/matita/matita/contribs/lambdadelta/static_2/static/rex_lex.ma
@@ -20,7 +20,7 @@ include "static_2/static/req.ma".
 
 (* Properties with generic extension of a context-sensitive relation ********)
 
-lemma rex_lex: ∀R,L1,L2. L1 ⪤[R] L2 → ∀T. L1 ⪤[R, T] L2.
+lemma rex_lex: ∀R,L1,L2. L1 ⪤[R] L2 → ∀T. L1 ⪤[R,T] L2.
 #R #L1 #L2 * #f #Hf #HL12 #T
 elim (frees_total L1 T) #g #Hg
 /4 width=5 by sex_sdj, sdj_isid_sn, ex2_intro/
@@ -30,7 +30,7 @@ qed.
 
 lemma rex_inv_lex_req: ∀R. c_reflexive … R →
                        rex_fsge_compatible R →
-                       ∀L1,L2,T. L1 ⪤[R, T] L2 →
+                       ∀L1,L2,T. L1 ⪤[R,T] L2 →
                        ∃∃L. L1 ⪤[R] L & L ≡[T] L2.
 #R #H1R #H2R #L1 #L2 #T * #f1 #Hf1 #HL
 elim (sex_sdj_split … ceq_ext … HL 𝐈𝐝 ?) -HL