X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fdynamic%2Fcnv_cpm_tdeq_trans.ma;h=fd77a19b2a75bc923542631f17702c3d7d35bfab;hb=a454837a256907d2f83d42ced7be847e10361ea9;hp=3a3919fc4bddc06454c5c8b44ce1197ffb04b94d;hpb=4173283e148199871d787c53c0301891deb90713;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/dynamic/cnv_cpm_tdeq_trans.ma b/matita/matita/contribs/lambdadelta/basic_2/dynamic/cnv_cpm_tdeq_trans.ma
index 3a3919fc4..fd77a19b2 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/dynamic/cnv_cpm_tdeq_trans.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/dynamic/cnv_cpm_tdeq_trans.ma
@@ -18,7 +18,7 @@ include "basic_2/dynamic/cnv_cpm_tdeq.ma".
 (* CONTEXT-SENSITIVE NATIVE VALIDITY FOR TERMS ******************************)
 
 definition IH_cnv_cpm_tdeq_cpm_trans (a) (h): relation3 genv lenv term ≝
-           λG,L,T1. ⦃G, L⦄ ⊢ T1 ![a,h] →
+           λG,L,T1. ⦃G,L⦄ ⊢ T1 ![a,h] →
            ∀n1,T.  ⦃G,L⦄ ⊢ T1 ➡[n1,h] T → T1 ≛ T →
            ∀n2,T2. ⦃G,L⦄ ⊢ T ➡[n2,h] T2 →
            ∃∃T0. ⦃G,L⦄ ⊢ T1 ➡[n2,h] T0 & ⦃G,L⦄ ⊢ T0 ➡[n1,h] T2 & T0 ≛ T2.
@@ -26,8 +26,8 @@ definition IH_cnv_cpm_tdeq_cpm_trans (a) (h): relation3 genv lenv term ≝
 (* Transitive properties restricted rt-transition for terms *****************)
 
 fact cnv_cpm_tdeq_cpm_trans_sub (a) (h) (G0) (L0) (T0):
-     (∀G,L,T. ⦃G0, L0, T0⦄ >[h] ⦃G, L, T⦄ → IH_cnv_cpm_trans_lpr a h G L T) →
-     (∀G,L,T. ⦃G0,L0,T0⦄ ⊐+ ⦃G,L,T⦄ → IH_cnv_cpm_tdeq_cpm_trans a h G L T) →
+     (∀G,L,T. ⦃G0,L0,T0⦄ >[h] ⦃G,L,T⦄ → IH_cnv_cpm_trans_lpr a h G L T) →
+     (∀G,L,T. ⦃G0,L0,T0⦄ ⬂+ ⦃G,L,T⦄ → IH_cnv_cpm_tdeq_cpm_trans a h G L T) →
      ∀G,L,T1. G0 = G → L0 = L → T0 = T1 → IH_cnv_cpm_tdeq_cpm_trans a h G L T1.
 #a #h #G0 #L0 #T0 #IH2 #IH1 #G #L * [| * [| * ]]
 [ #I #_ #_ #_ #_ #n1 #X1 #H1X #H2X #n2 #X2 #HX2 destruct -G0 -L0 -T0
@@ -89,7 +89,7 @@ fact cnv_cpm_tdeq_cpm_trans_sub (a) (h) (G0) (L0) (T0):
 qed-.
 
 fact cnv_cpm_tdeq_cpm_trans_aux (a) (h) (G0) (L0) (T0):
-     (∀G,L,T. ⦃G0, L0, T0⦄ >[h] ⦃G, L, T⦄ → IH_cnv_cpm_trans_lpr a h G L T) →
+     (∀G,L,T. ⦃G0,L0,T0⦄ >[h] ⦃G,L,T⦄ → IH_cnv_cpm_trans_lpr a h G L T) →
      IH_cnv_cpm_tdeq_cpm_trans a h G0 L0 T0.
 #a #h #G0 #L0 #T0
 @(fqup_wf_ind (Ⓣ) … G0 L0 T0) -G0 -L0 -T0 #G0 #L0 #T0 #IH #IH0