(* Advanced inversion lemmas ************************************************)
-(* Basic_1: was only: iso_flats_lref_bind_false iso_flats_flat_bind_false *)
lemma tsts_inv_bind_applv_simple: ∀a,I,Vs,V2,T1,T2. ⒶVs.T1 ≂ ⓑ{a,I} V2. T2 →
𝐒⦃T1⦄ → ⊥.
#a #I #Vs #V2 #T1 #T2 #H