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diff --git a/Category/Instance/One/Properties.agda b/Category/Instance/One/Properties.agda
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+{-# OPTIONS --without-K --safe #-}
+
+open import Level using (Level)
+
+module Category.Instance.One.Properties {o ℓ e : Level} where
+
+open import Categories.Category.Core using (Category)
+open import Categories.Category.Instance.One using () renaming (One to One′)
+
+One : Category o ℓ e
+One = One′
+
+open import Categories.Category.Cocartesian One using (Cocartesian)
+open import Categories.Category.Cocomplete.Finitely One using (FinitelyCocomplete)
+open import Categories.Object.Initial One using (Initial)
+open import Categories.Category.Cocartesian One using (BinaryCoproducts)
+
+
+One-Initial : Initial
+One-Initial = _
+
+One-BinaryCoproducts : BinaryCoproducts
+One-BinaryCoproducts = _
+
+One-Cocartesian : Cocartesian
+One-Cocartesian = record
+    { initial = One-Initial
+    ; coproducts = One-BinaryCoproducts
+    }
+
+One-FinitelyCocomplete : FinitelyCocomplete
+One-FinitelyCocomplete = record
+    { cocartesian = One-Cocartesian
+    ; coequalizer = _
+    }