\begin{code} {-# OPTIONS --cubical --safe #-} module Cardinality.Finite.ManifestBishop.Container where open import Prelude open import Data.Fin open import Container open import Container.List public open import Container.Membership (ℕ , Fin) public ℬ : Type a → Type a \end{code} %<*bish-def> \begin{code} ℬ A = Σ[ support ⦂ List A ] ((x : A) → x ∈! support) \end{code} %</bish-def>