X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_equivalence%2Fcpcs_aaa.ma;h=f387ce5994c185089a46cfde5385eb0692fea4f7;hp=2c1be91f46b812aa4515510773cbf4f79d9a496c;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hpb=3b7b8afcb429a60d716d5226a5b6ab0d003228b1

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_equivalence/cpcs_aaa.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_equivalence/cpcs_aaa.ma
index 2c1be91f4..f387ce599 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_equivalence/cpcs_aaa.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_equivalence/cpcs_aaa.ma
@@ -20,8 +20,8 @@ include "basic_2/rt_equivalence/cpcs_cprs.ma".
 (* Main inversion lemmas with atomic arity assignment on terms **************)
 
 (* Note: lemma 1500 *)
-theorem cpcs_aaa_mono (h) (G) (L): ∀T1,T2. ⦃G,L⦄ ⊢ T1 ⬌*[h] T2 →
-                                   ∀A1. ⦃G,L⦄ ⊢ T1 ⁝ A1 → ∀A2. ⦃G,L⦄ ⊢ T2 ⁝ A2 →
+theorem cpcs_aaa_mono (h) (G) (L): ∀T1,T2. ❪G,L❫ ⊢ T1 ⬌*[h] T2 →
+                                   ∀A1. ❪G,L❫ ⊢ T1 ⁝ A1 → ∀A2. ❪G,L❫ ⊢ T2 ⁝ A2 →
                                    A1 = A2.
 #h #G #L #T1 #T2 #HT12 #A1 #HA1 #A2 #HA2
 elim (cpcs_inv_cprs … HT12) -HT12 #T #HT1 #HT2