X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fapps_2%2Fexamples%2Fex_cnv_eta.ma;h=2b3dfcd4c5c9e7f9468929341ae8595c4de7442a;hp=704301fe03c8d6367f622f85abd3c794f49f9ed5;hb=87f57ddc367303c33e19c83cd8989cd561f3185b;hpb=d777d94825ce0127beefaec44b7808e9c1916340

diff --git a/matita/matita/contribs/lambdadelta/apps_2/examples/ex_cnv_eta.ma b/matita/matita/contribs/lambdadelta/apps_2/examples/ex_cnv_eta.ma
index 704301fe0..2b3dfcd4c 100644
--- a/matita/matita/contribs/lambdadelta/apps_2/examples/ex_cnv_eta.ma
+++ b/matita/matita/contribs/lambdadelta/apps_2/examples/ex_cnv_eta.ma
@@ -20,10 +20,10 @@ include "basic_2/dynamic/cnv.ma".
 (* Extended validy (basic_2B) vs. restricted validity (basic_1A) ************)
 
 (* Note: extended validity of a closure, height of cnv_appl > 1 *)
-lemma cnv_extended (h) (p): ∀G,L,s. ⦃G, L.ⓛ⋆s.ⓛⓛ{p}⋆s.⋆s.ⓛ#0⦄ ⊢ ⓐ#2.#0 ![Ⓕ,h].
+lemma cnv_extended (h) (p): ∀G,L,s. ⦃G, L.ⓛ⋆s.ⓛⓛ{p}⋆s.⋆s.ⓛ#0⦄ ⊢ ⓐ#2.#0 !*[h].
 #h #p #G #L #s
 @(cnv_appl … 2 p … (⋆s) … (⋆s))
-[ #H destruct
+[ //
 | /4 width=1 by cnv_sort, cnv_zero, cnv_lref/
 | /4 width=1 by cnv_bind, cnv_zero/
 | /5 width=3 by cpm_cpms, cpm_lref, cpm_ell, lifts_sort/
@@ -32,15 +32,15 @@ lemma cnv_extended (h) (p): ∀G,L,s. ⦃G, L.ⓛ⋆s.ⓛⓛ{p}⋆s.⋆s.ⓛ#0
 qed.
 
 (* Note: restricted validity of the η-expanded closure, height of cnv_appl = 1 **)
-lemma vnv_restricted (h) (p): ∀G,L,s. ⦃G, L.ⓛ⋆s.ⓛⓛ{p}⋆s.⋆s.ⓛⓛ{p}⋆s.ⓐ#0.#1⦄ ⊢ ⓐ#2.#0 ![Ⓣ,h].
+lemma vnv_restricted (h) (p): ∀G,L,s. ⦃G, L.ⓛ⋆s.ⓛⓛ{p}⋆s.⋆s.ⓛⓛ{p}⋆s.ⓐ#0.#1⦄ ⊢ ⓐ#2.#0 ![h].
 #h #p #G #L #s
 @(cnv_appl … 1 p … (⋆s) … (ⓐ#0.#2))
-[ /2 width=1 by/
+[ /2 width=1 by ylt_inj/
 | /4 width=1 by cnv_sort, cnv_zero, cnv_lref/
 | @cnv_zero
   @cnv_bind //
   @(cnv_appl … 1 p … (⋆s) … (⋆s))
-  [ /2 width=1 by/
+  [ /2 width=1 by ylt_inj/
   | /2 width=1 by cnv_sort, cnv_zero/
   | /4 width=1 by cnv_sort, cnv_zero, cnv_lref, cnv_bind/
   | /2 width=3 by cpms_ell, lifts_sort/