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diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/fpbq_aaa.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/fpbq_aaa.ma
index a6c5f719e..5df72f4af 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/fpbq_aaa.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/fpbq_aaa.ma
@@ -12,16 +12,18 @@
 (*                                                                        *)
 (**************************************************************************)
 
-include "basic_2/static/aaa_fqus.ma".
-include "basic_2/rt_transition/lfpx_aaa.ma".
+include "static_2/static/aaa_fqus.ma".
+include "static_2/static/aaa_feqx.ma".
+include "basic_2/rt_transition/lpx_aaa.ma".
 include "basic_2/rt_transition/fpbq.ma".
 
 (* PARALLEL RST-TRANSITION FOR CLOSURES *************************************)
 
 (* Properties with atomic arity assignment for terms ************************)
 
-lemma fpbq_aaa_conf: ∀h,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ≽[h] ⦃G2, L2, T2⦄ →
-                     ∀A1. ⦃G1, L1⦄ ⊢ T1 ⁝ A1 → ∃A2. ⦃G2, L2⦄ ⊢ T2 ⁝ A2.
-#h #G1 #G2 #L1 #L2 #T1 #T2 * -G2 -L2 -T2
-/3 width=6 by lfpx_aaa_conf, cpx_aaa_conf, aaa_fquq_conf, ex_intro/
+lemma fpbq_aaa_conf:
+      ∀G1,G2,L1,L2,T1,T2. ❪G1,L1,T1❫ ≽ ❪G2,L2,T2❫ →
+      ∀A1. ❪G1,L1❫ ⊢ T1 ⁝ A1 → ∃A2. ❪G2,L2❫ ⊢ T2 ⁝ A2.
+#G1 #G2 #L1 #L2 #T1 #T2 * -G2 -L2 -T2
+/3 width=8 by lpx_aaa_conf, cpx_aaa_conf, aaa_feqx_conf, aaa_fquq_conf, ex_intro/
 qed-.