X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fground%2Frelocation%2Fpr_isi_pat.ma;h=b9e277d8e292bd142e1ef63c4c71be122f9275c2;hb=77479649510792efe4d9cbff508e118360862594;hp=2b09f5c96e8b51afb125925a3fa6d6c5ab79551b;hpb=9b4e20442ec5a4028cfe2b6fe836c94acdb033b8;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/ground/relocation/pr_isi_pat.ma b/matita/matita/contribs/lambdadelta/ground/relocation/pr_isi_pat.ma
index 2b09f5c96..b9e277d8e 100644
--- a/matita/matita/contribs/lambdadelta/ground/relocation/pr_isi_pat.ma
+++ b/matita/matita/contribs/lambdadelta/ground/relocation/pr_isi_pat.ma
@@ -20,20 +20,20 @@ include "ground/relocation/pr_pat_pat_id.ma".
 (* Advanced constructions with pr_isi and pr_pat ****************************)
 
 (*** isid_at *)
-lemma pr_isi_pat (f): (∀i. @❨i,f❩ ≘ i) → 𝐈❨f❩.
+lemma pr_isi_pat (f): (∀i. ＠⧣❨i,f❩ ≘ i) → 𝐈❨f❩.
 /3 width=1 by pr_eq_id_isi, pr_pat_inv_id/
 qed.
 
 (* Inversions with pr_pat ***************************************************)
 
 (*** isid_inv_at *)
-lemma pr_isi_inv_pat (f) (i): 𝐈❨f❩ → @❨i,f❩ ≘ i.
+lemma pr_isi_inv_pat (f) (i): 𝐈❨f❩ → ＠⧣❨i,f❩ ≘ i.
 /3 width=3 by pr_isi_inv_eq_id, pr_pat_id, pr_pat_eq_repl_back/
 qed-.
 
 (* Destructions with pr_pat *************************************************)
 
 (*** isid_inv_at_mono *)
-lemma pr_isi_pat_des (f) (i1) (i2): 𝐈❨f❩ → @❨i1,f❩ ≘ i2 → i1 = i2.
+lemma pr_isi_pat_des (f) (i1) (i2): 𝐈❨f❩ → ＠⧣❨i1,f❩ ≘ i2 → i1 = i2.
 /4 width=3 by pr_isi_inv_eq_id, pr_pat_id_des, pr_pat_eq_repl_fwd/
 qed-.