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;fp=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fdynamic%2Fcnv_cpm_tdeq_trans.ma;h=c71ef297a72472b5116d586739b7e9785d47ddc7;hb=ba7b8553850e4a33cf8607b07758392230d9ed40;hp=fd77a19b2a75bc923542631f17702c3d7d35bfab;hpb=c0d38a82464481e3c8fd68e4b00d7b9b448df462;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 fd77a19b2..c71ef297a 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
@@ -17,19 +17,19 @@ 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] →
-           ∀n1,T.  ⦃G,L⦄ ⊢ T1 ➡[n1,h] T → T1 ≛ T →
+definition IH_cnv_cpm_tdeq_cpm_trans (h) (a): relation3 genv lenv term ≝
+           λG,L,T1. ⦃G,L⦄ ⊢ T1 ![h,a] →
+           ∀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.
 
 (* 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,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 * [| * [| * ]]
+fact cnv_cpm_tdeq_cpm_trans_sub (h) (a) (G0) (L0) (T0):
+     (∀G,L,T. ⦃G0,L0,T0⦄ >[h] ⦃G,L,T⦄ → IH_cnv_cpm_trans_lpr h a G L T) →
+     (∀G,L,T. ⦃G0,L0,T0⦄ ⬂+ ⦃G,L,T⦄ → IH_cnv_cpm_tdeq_cpm_trans h a G L T) →
+     ∀G,L,T1. G0 = G → L0 = L → T0 = T1 → IH_cnv_cpm_tdeq_cpm_trans h a G L T1.
+#h #a #G0 #L0 #T0 #IH2 #IH1 #G #L * [| * [| * ]]
 [ #I #_ #_ #_ #_ #n1 #X1 #H1X #H2X #n2 #X2 #HX2 destruct -G0 -L0 -T0
   elim (cpm_tdeq_inv_atom_sn … H1X H2X) -H1X -H2X *
   [ #H1 #H2 destruct /2 width=4 by ex3_intro/
@@ -88,10 +88,10 @@ 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) →
-     IH_cnv_cpm_tdeq_cpm_trans a h G0 L0 T0.
-#a #h #G0 #L0 #T0
+fact cnv_cpm_tdeq_cpm_trans_aux (h) (a) (G0) (L0) (T0):
+     (∀G,L,T. ⦃G0,L0,T0⦄ >[h] ⦃G,L,T⦄ → IH_cnv_cpm_trans_lpr h a G L T) →
+     IH_cnv_cpm_tdeq_cpm_trans h a G0 L0 T0.
+#h #a #G0 #L0 #T0
 @(fqup_wf_ind (Ⓣ) … G0 L0 T0) -G0 -L0 -T0 #G0 #L0 #T0 #IH #IH0
 /5 width=10 by cnv_cpm_tdeq_cpm_trans_sub, fqup_fpbg_trans/
 qed-.