1 files changed, 0 insertions, 58 deletions
diff --git a/Category/Instance/Preorders/Primitive.agda b/Category/Instance/Preorders/Primitive.agda
deleted file mode 100644
index 9c36d03..0000000
--- a/Category/Instance/Preorders/Primitive.agda
+++ /dev/null
@@ -1,58 +0,0 @@
-{-# OPTIONS --without-K --safe #-}
-
-module Category.Instance.Preorders.Primitive where
-
-open import Categories.Category using (Category)
-open import Categories.Category.Helper using (categoryHelper)
-open import Function using (id; _∘_)
-open import Level using (Level; _⊔_; suc)
-open import Preorder.Primitive using (Preorder; module Isomorphism)
-open import Preorder.Primitive.MonotoneMap using (MonotoneMap; _≃_; ≃-isEquivalence; module ≃)
-
--- The category of primitive preorders and monotone maps
-
-private
-
-  module _ {c ℓ : Level} where
-
-    identity : {A : Preorder c ℓ} → MonotoneMap A A
-    identity = record
-        { map = id
-        ; mono = id
-        }
-
-    compose : {A B C : Preorder c ℓ} → MonotoneMap B C → MonotoneMap A B → MonotoneMap A C
-    compose f g = record
-        { map = f.map ∘ g.map
-        ; mono = f.mono ∘ g.mono
-        }
-      where
-        module f = MonotoneMap f
-        module g = MonotoneMap g
-
-    compose-resp-≃
-        : {A B C : Preorder c ℓ}
-          {f h : MonotoneMap B C}
-          {g i : MonotoneMap A B}
-        → f ≃ h
-        → g ≃ i
-        → compose f g ≃ compose h i
-    compose-resp-≃ {C = C} {h = h} {g} f≃h g≃i x = ≅.trans (f≃h (map g x)) (map-resp-≅ h (g≃i x))
-      where
-        open MonotoneMap using (map; mono; map-resp-≅)
-        open Preorder C
-        open Isomorphism C
-
-Preorders : (c ℓ : Level) → Category (suc (c ⊔ ℓ)) (c ⊔ ℓ) (c ⊔ ℓ)
-Preorders c ℓ = categoryHelper record
-    { Obj = Preorder c ℓ
-    ; _⇒_ = MonotoneMap
-    ; _≈_ = _≃_
-    ; id = identity
-    ; _∘_ = compose
-    ; assoc = λ {f = f} {g h} → ≃.refl {x = compose (compose h g) f}
-    ; identityˡ = λ {f = f} → ≃.refl {x = f}
-    ; identityʳ = λ {f = f} → ≃.refl {x = f}
-    ; equiv = ≃-isEquivalence
-    ; ∘-resp-≈ = λ {f = f} {g h i} → compose-resp-≃ {f = f} {g} {h} {i}
-    }