update in ground

[helm.git] / matita / matita / contribs / lambdadelta / ground / relocation / pr_isi_nat.ma

diff --git a/matita/matita/contribs/lambdadelta/ground/relocation/pr_isi_nat.ma b/matita/matita/contribs/lambdadelta/ground/relocation/pr_isi_nat.ma
index 2ca0a9f331ac00d35006f4cd085dff397c5710c7..d92d6cfcb91ad1a14560d4c39feb18d0b486ba24 100644 (file)
--- a/matita/matita/contribs/lambdadelta/ground/relocation/pr_isi_nat.ma
+++ b/matita/matita/contribs/lambdadelta/ground/relocation/pr_isi_nat.ma
@@ -19,15 +19,15 @@ include "ground/relocation/pr_isi_pat.ma".
 
 (* Advanced constructions with pr_isi and pr_nat ****************************)
 
-lemma pr_isi_nat (f): (∀l. @↑❨l,f❩ ≘ l) → 𝐈❨f❩.
+lemma pr_isi_nat (f): (∀l. ＠§❨l,f❩ ≘ l) → 𝐈❨f❩.
 /2 width=1 by pr_isi_pat/ qed.
 
 (* Inversions with pr_nat ***************************************************)
 
-lemma pr_isi_inv_nat (f) (l): 𝐈❨f❩ → @↑❨l,f❩ ≘ l.
+lemma pr_isi_inv_nat (f) (l): 𝐈❨f❩ → ＠§❨l,f❩ ≘ l.
 /2 width=1 by pr_isi_inv_pat/ qed-.
 
 (* Destructions with pr_nat *************************************************)
 
-lemma pr_isi_nat_des (f) (l1) (l2): 𝐈❨f❩ → @↑❨l1,f❩ ≘ l2 → l1 = l2.
+lemma pr_isi_nat_des (f) (l1) (l2): 𝐈❨f❩ → ＠§❨l1,f❩ ≘ l2 → l1 = l2.
 /3 width=3 by pr_isi_pat_des, eq_inv_npsucc_bi/ qed-.