open import Cubical.Foundations.Equiv
open import Cubical.Data.Unit

module Semantics.Abstract where

ABS = Unit
ABS-isProp = isPropUnit

open import Modality.Abstract ABS ABS-isProp
open import Modality.Concrete ABS ABS-isProp

◯-semantics :  {X}   X  X
◯-semantics {X} = ΠUnit λ _  X

●-semantics :  {X}   X  Unit
●-semantics = isContr→≃Unit (◯●-isContr tt)