X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_transition%2Fcpm_teqx.ma;h=d52d6fa4694b675cceccdf94487712049722b20f;hp=c465039d82a48fb76b25c6ffaedc0fd0cf8905ed;hb=b118146b97959e6a6dde18fdd014b8e1e676a2d1;hpb=613d8642b1154dde0c026cbdcd96568910198251

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpm_teqx.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpm_teqx.ma
index c465039d8..d52d6fa46 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpm_teqx.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpm_teqx.ma
@@ -20,17 +20,17 @@ include "basic_2/rt_transition/cpm_drops.ma".
 (* Inversion lemmas with sort-irrelevant equivalence for terms **************)
 
 lemma cpm_teqx_inv_lref_sn (h) (n) (G) (L) (i):
-                           ∀X.  ❪G,L❫ ⊢ #i ➡[h,n] X → #i ≛ X →
+                           ∀X.  ❪G,L❫ ⊢ #i ➡[h,n] X → #i ≅ X →
                            ∧∧ X = #i & n = 0.
 #h #n #G #L #i #X #H1 #H2
-lapply (teqx_inv_lref1 … H2) -H2 #H destruct
+lapply (teqg_inv_lref1 … H2) -H2 #H destruct
 elim (cpm_inv_lref1_drops … H1) -H1 // * [| #m ]
 #K #V1 #V2 #_ #_ #H -V1
 elim (lifts_inv_lref2_uni_lt … H) -H //
 qed-.
 
 lemma cpm_teqx_inv_atom_sn (h) (n) (I) (G) (L):
-                           ∀X. ❪G,L❫ ⊢ ⓪[I] ➡[h,n] X → ⓪[I] ≛ X →
+                           ∀X. ❪G,L❫ ⊢ ⓪[I] ➡[h,n] X → ⓪[I] ≅ X →
                            ∨∨ ∧∧ X = ⓪[I] & n = 0
                             | ∃∃s. X = ⋆(⫯[h]s) & I = Sort s & n = 1.
 #h #n * #s #G #L #X #H1 #H2