(* Advanced properties ******************************************************)
-lemma ssta_fpb: ∀h,g,G,L,T1,T2,l.
- ⦃G, L⦄ ⊢ T1 ▪[h, g] l+1 → ⦃G, L⦄ ⊢ T1 •[h, g] T2 →
+lemma sta_fpb: ∀h,g,G,L,T1,T2,l.
+ ⦃G, L⦄ ⊢ T1 ▪[h, g] l+1 → ⦃G, L⦄ ⊢ T1 •[h] T2 →
⦃G, L, T1⦄ ≽[h, g] ⦃G, L, T2⦄.
-/3 width=5 by fpb_cpx, ssta_cpx/ qed.
+/3 width=4 by fpb_cpx, sta_cpx/ qed.