(* Basic_1: was only: iso_flats_lref_bind_false iso_flats_flat_bind_false *)
lemma tstc_inv_bind_appls_simple: ∀I,Vs,V2,T1,T2. ⒶVs.T1 ≃ ⓑ{I} V2. T2 →
(* Basic_1: was only: iso_flats_lref_bind_false iso_flats_flat_bind_false *)
lemma tstc_inv_bind_appls_simple: ∀I,Vs,V2,T1,T2. ⒶVs.T1 ≃ ⓑ{I} V2. T2 →