-inductive fpbq (h) (G1) (L1) (T1): relation3 genv lenv term ≝
-| fpbq_fquq: â\88\80G2,L2,T2. â¦\83G1,L1,T1â¦\84 â¬\82⸮ â¦\83G2,L2,T2â¦\84 â\86\92 fpbq h G1 L1 T1 G2 L2 T2
-| fpbq_cpx : â\88\80T2. â¦\83G1,L1â¦\84 â\8a¢ T1 â¬\88[h] T2 â\86\92 fpbq h G1 L1 T1 G1 L1 T2
-| fpbq_lpx : â\88\80L2. â¦\83G1,L1â¦\84 â\8a¢ â¬\88[h] L2 â\86\92 fpbq h G1 L1 T1 G1 L2 T1
-| fpbq_fdeq: ∀G2,L2,T2. ⦃G1,L1,T1⦄ ≛ ⦃G2,L2,T2⦄ → fpbq h G1 L1 T1 G2 L2 T2
+inductive fpbq (G1) (L1) (T1): relation3 genv lenv term ≝
+| fpbq_fquq: â\88\80G2,L2,T2. â\9dªG1,L1,T1â\9d« â¬\82⸮ â\9dªG2,L2,T2â\9d« â\86\92 fpbq G1 L1 T1 G2 L2 T2
+| fpbq_cpx : â\88\80T2. â\9dªG1,L1â\9d« â\8a¢ T1 â¬\88 T2 â\86\92 fpbq G1 L1 T1 G1 L1 T2
+| fpbq_lpx : â\88\80L2. â\9dªG1,L1â\9d« â\8a¢ â¬\88 L2 â\86\92 fpbq G1 L1 T1 G1 L2 T1
+| fpbq_feqx: ∀G2,L2,T2. ❪G1,L1,T1❫ ≛ ❪G2,L2,T2❫ → fpbq G1 L1 T1 G2 L2 T2