X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;ds=inline;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fdelayed_updating%2Funwind%2Funwind2_constructors.ma;h=8cdfb5bf958f55ed7f8822974b468d164478f912;hb=c038f0446312091a30179fd80e6ffd3ec39ab446;hp=c70e09e1abd0b4c306ce57785bad629d24ea1130;hpb=97ff918432e878ab8314c72fe2b948a253b26e21;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/delayed_updating/unwind/unwind2_constructors.ma b/matita/matita/contribs/lambdadelta/delayed_updating/unwind/unwind2_constructors.ma
index c70e09e1a..8cdfb5bf9 100644
--- a/matita/matita/contribs/lambdadelta/delayed_updating/unwind/unwind2_constructors.ma
+++ b/matita/matita/contribs/lambdadelta/delayed_updating/unwind/unwind2_constructors.ma
@@ -20,20 +20,20 @@ include "delayed_updating/syntax/prototerm_constructors.ma".
 (* Constructions with constructors ******************************************)
 
 lemma unwind2_term_iref_sn (f) (t) (n:pnat):
-      â¼[fâð®â¨nâ©]t â â¼[f](ðn.t).
+      â¼[fâð®â¨nâ©]t â â¼[f](ðn.t).
 #f #t #n #p * #q #Hq #H0 destruct
 @(ex2_intro â¦ (ð±nâðºâq))
 /2 width=1 by in_comp_iref/
 qed-.
 
 lemma unwind2_term_iref_dx (f) (t) (n:pnat):
-      â¼[f](ðn.t) â â¼[fâð®â¨nâ©]t.
+      â¼[f](ðn.t) â â¼[fâð®â¨nâ©]t.
 #f #t #n #p * #q #Hq #H0 destruct
 elim (in_comp_inv_iref â¦ Hq) -Hq #p #Hp #Ht destruct
 /2 width=1 by in_comp_unwind2_path_term/
 qed-.
 
 lemma unwind2_term_iref (f) (t) (n:pnat):
-      â¼[fâð®â¨nâ©]t â â¼[f](ðn.t).
+      â¼[fâð®â¨nâ©]t â â¼[f](ðn.t).
 /3 width=2 by conj, unwind2_term_iref_sn, unwind2_term_iref_dx/
 qed.