Denotational Semantics in Agda
Agda.Builtin.Sigma
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    Agda.Builtin.Sigma

    {-# OPTIONS --cubical-compatible --safe --no-sized-types --no-guardedness --level-universe #-}
    
    module Agda.Builtin.Sigma where
    
    open import Agda.Primitive
    
    record Σ {a b} (A : Set a) (B : A → Set b) : Set (a ⊔ b) where
      constructor _,_
      field
        fst : A
        snd : B fst
    
    open Σ public
    
    infixr 4 _,_
    
    {-# BUILTIN SIGMA Σ #-}
    
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