]> matita.cs.unibo.it Git - helm.git/blobdiff - matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_constructors.ma
update in delayed_updating
[helm.git] / matita / matita / contribs / lambdadelta / delayed_updating / substitution / lift_constructors.ma
index 1cdcd4650d1b990de616a87dd79a2f8e202b818d..4eeb2ab6d9eda5930dc40cf7fba5e7b0318e4b59 100644 (file)
@@ -12,7 +12,7 @@
 (*                                                                        *)
 (**************************************************************************)
 
-include "delayed_updating/substitution/lift_prototerm_id.ma".
+include "delayed_updating/substitution/lift_prototerm_eq.ma".
 include "delayed_updating/substitution/lift_path_uni.ma".
 include "delayed_updating/syntax/prototerm_constructors.ma".
 
@@ -24,28 +24,24 @@ lemma lift_iref_bi (t1) (t2) (n):
 qed.
 
 lemma lift_iref_sn (f) (t:prototerm) (n:pnat):
-      (𝛗f@⧣❨n❩.↑[⇂*[n]f]t) ⊆ ↑[f](𝛗n.t).
-#f #t #n #p * #q * #r #Hr #H1 #H2 destruct
-@(ex2_intro … (𝗱n◗𝗺◗r))
+      (𝛗f@⧣❨n❩.t) ⊆ ↑[f](𝛗n.t).
+#f #t #n #p * #q #Hq #H0 destruct
+@(ex2_intro … (𝗱n◗𝗺◗q))
 /2 width=1 by in_comp_iref/
 qed-.
 
 lemma lift_iref_dx (f) (t) (n:pnat):
-      ↑[f](𝛗n.t) ⊆ 𝛗f@⧣❨n❩.↑[⇂*[n]f]t.
+      ↑[f](𝛗n.t) ⊆ 𝛗f@⧣❨n❩.t.
 #f #t #n #p * #q #Hq #H0 destruct
 elim (in_comp_inv_iref … Hq) -Hq #p #H0 #Hp destruct
-/3 width=1 by in_comp_iref, in_comp_lift_bi/
+/2 width=1 by in_comp_iref/
 qed-.
 
 lemma lift_iref (f) (t) (n:pnat):
-      (𝛗f@⧣❨n❩.↑[⇂*[n]f]t) ⇔ ↑[f](𝛗n.t).
+      (𝛗f@⧣❨n❩.t) ⇔ ↑[f](𝛗n.t).
 /3 width=1 by conj, lift_iref_sn, lift_iref_dx/
 qed.
 
 lemma lift_iref_uni (t) (m) (n):
       (𝛗(n+m).t) ⇔ ↑[𝐮❨m❩](𝛗n.t).
-#t #m #n
-@(subset_eq_trans … (lift_iref …))
-<tr_uni_pap >nsucc_pnpred <tr_tls_succ_uni
-/3 width=1 by lift_iref_bi, lift_term_id/
-qed.
+// qed.