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+\title{cartesian closed category}
+\taxon{definition}
+\author{dannypsnl}
+\date{2023-10-24}
+
+\p{
+  一個[範疇](cat-0001) #{C} 被稱為 cartesian closed 表示
+  \ol{
+    \li{任意有限多個 objects #{\{a_i \mid i \in \mathbb{N}\}} 的 product #{a_0 \times ... \times a_n} 亦是範疇的 object}
+    \li{對所有 object #{a \in C} 而言，functor #{a \times - : C \to C} 是 #{(-)^a : C \to C} 的[右伴隨](https://en.wikipedia.org/wiki/Adjoint_functors)}
+  }
+}