fact: Definition mb_is_tot n (l s : X) := forall v, (forall p : pos n, vec_pos v p ∈ l) -> exists x p t, x ∈ l /\ p ∈ s /\ p ≋ ⦅x,t⦆ /\ t ≋ ⦉v⦊.
imports: List Arith Nat Lia Max Wellfounded Coq.Setoids.Setoid Undecidability.Shared.Libs.DLW.Utils(utils_tac utils_list finite) Undecidability.Shared.Libs.DLW.Vec(pos vec) Undecidability.FOL.TRAKHTENBROT(notations fol_ops fo_sig fo_terms fo_logic)