X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fdynamic%2Fcnv_fqus.ma;h=ec0549fa23574cb25a89c9626ec01eb634af0e9a;hp=7498e33c199b8fce1af06915ac4d869a780f65e7;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hpb=3b7b8afcb429a60d716d5226a5b6ab0d003228b1

diff --git a/matita/matita/contribs/lambdadelta/basic_2/dynamic/cnv_fqus.ma b/matita/matita/contribs/lambdadelta/basic_2/dynamic/cnv_fqus.ma
index 7498e33c1..ec0549fa2 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/dynamic/cnv_fqus.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/dynamic/cnv_fqus.ma
@@ -21,8 +21,8 @@ include "basic_2/dynamic/cnv_drops.ma".
 
 (* Basic_2A1: uses: snv_fqu_conf *)
 lemma cnv_fqu_conf (h) (a):
-      ∀G1,G2,L1,L2,T1,T2. ⦃G1,L1,T1⦄ ⬂ ⦃G2,L2,T2⦄ →
-      ⦃G1,L1⦄ ⊢ T1 ![h,a] → ⦃G2,L2⦄ ⊢ T2 ![h,a].
+      ∀G1,G2,L1,L2,T1,T2. ❪G1,L1,T1❫ ⬂ ❪G2,L2,T2❫ →
+      ❪G1,L1❫ ⊢ T1 ![h,a] → ❪G2,L2❫ ⊢ T2 ![h,a].
 #h #a #G1 #G2 #L1 #L2 #T1 #T2 #H elim H -G1 -G2 -L1 -L2 -T1 -T2
 [ #I1 #G1 #L1 #V1 #H
   elim (cnv_inv_zero … H) -H #I2 #L2 #V2 #HV2 #H destruct //
@@ -45,24 +45,24 @@ qed-.
 
 (* Basic_2A1: uses: snv_fquq_conf *)
 lemma cnv_fquq_conf (h) (a):
-      ∀G1,G2,L1,L2,T1,T2. ⦃G1,L1,T1⦄ ⬂⸮ ⦃G2,L2,T2⦄ →
-      ⦃G1,L1⦄ ⊢ T1 ![h,a] → ⦃G2,L2⦄ ⊢ T2 ![h,a].
+      ∀G1,G2,L1,L2,T1,T2. ❪G1,L1,T1❫ ⬂⸮ ❪G2,L2,T2❫ →
+      ❪G1,L1❫ ⊢ T1 ![h,a] → ❪G2,L2❫ ⊢ T2 ![h,a].
 #h #a #G1 #G2 #L1 #L2 #T1 #T2 #H elim H -H [|*]
 /2 width=5 by cnv_fqu_conf/
 qed-.
 
 (* Basic_2A1: uses: snv_fqup_conf *)
 lemma cnv_fqup_conf (h) (a):
-      ∀G1,G2,L1,L2,T1,T2. ⦃G1,L1,T1⦄ ⬂+ ⦃G2,L2,T2⦄ →
-      ⦃G1,L1⦄ ⊢ T1 ![h,a] → ⦃G2,L2⦄ ⊢ T2 ![h,a].
+      ∀G1,G2,L1,L2,T1,T2. ❪G1,L1,T1❫ ⬂+ ❪G2,L2,T2❫ →
+      ❪G1,L1❫ ⊢ T1 ![h,a] → ❪G2,L2❫ ⊢ T2 ![h,a].
 #h #a #G1 #G2 #L1 #L2 #T1 #T2 #H @(fqup_ind … H) -G2 -L2 -T2
 /3 width=5 by fqup_strap1, cnv_fqu_conf/
 qed-.
 
 (* Basic_2A1: uses: snv_fqus_conf *)
 lemma cnv_fqus_conf (h) (a):
-      ∀G1,G2,L1,L2,T1,T2. ⦃G1,L1,T1⦄ ⬂* ⦃G2,L2,T2⦄ →
-      ⦃G1,L1⦄ ⊢ T1 ![h,a] → ⦃G2,L2⦄ ⊢ T2 ![h,a].
+      ∀G1,G2,L1,L2,T1,T2. ❪G1,L1,T1❫ ⬂* ❪G2,L2,T2❫ →
+      ❪G1,L1❫ ⊢ T1 ![h,a] → ❪G2,L2❫ ⊢ T2 ![h,a].
 #h #a #G1 #G2 #L1 #L2 #T1 #T2 #H elim (fqus_inv_fqup … H) -H [|*]
 /2 width=5 by cnv_fqup_conf/
 qed-.