(* Properties with sort-irrelevant equivalence on referred entries **********)
-lemma aaa_feqx_conf: ∀G1,G2,L1,L2,T1,T2. ⦃G1,L1,T1⦄ ≛ ⦃G2,L2,T2⦄ →
+lemma aaa_feqx_conf: ∀G1,G2,L1,L2,T1,T2. ⦃G1,L1,T1⦄ ≛ ⦃G2,L2,T2⦄ →
∀A. ⦃G1,L1⦄ ⊢ T1 ⁝ A → ⦃G2,L2⦄ ⊢ T2 ⁝ A.
#G1 #G2 #L1 #L2 #T1 #T2 * -G2 -L2 -T2
/2 width=5 by aaa_teqx_conf_reqx/ qed-.