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        <title>Covariant-Functor - Nhãn - NZQIRC</title>
        <link>https://nzqirc.xyz/tags/covariant-functor/</link>
        <description>Covariant-Functor - Nhãn - NZQIRC</description>
        <generator>Hugo -- gohugo.io</generator><language>vi</language><copyright>This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.</copyright><lastBuildDate>Fri, 25 Oct 2024 10:54:00 &#43;0700</lastBuildDate><atom:link href="https://nzqirc.xyz/tags/covariant-functor/" rel="self" type="application/rss+xml" /><item>
    <title>Lí thuyết phạm trù - Hàm tử</title>
    <link>https://nzqirc.xyz/posts/math/category-theory/03/</link>
    <pubDate>Fri, 25 Oct 2024 10:54:00 &#43;0700</pubDate>
    <author>Du Mã</author>
    <guid>https://nzqirc.xyz/posts/math/category-theory/03/</guid>
    <description><![CDATA[<!-- As we saw in example 3 in [that post](https://nzqirc.xyz/posts/math/category-theory/02), a functor can be viewed as an arrow/morphism between two categories. -->
<p>Như chúng ta đã thấy trong Ví dụ 3 trong <a href="https://nzqirc.xyz/posts/math/category-theory/02" target="_blank" rel="noopener noreffer ">bài blog trước</a>, ta có thể xem một <strong>hàm tử</strong> (functor) như một mũi tên/cấu xạ giữa hai <strong>phạm trù</strong> (category).</p>
<!-- > ...every sufficiently good analogy is yearning to become a functor.
>
> John Baez -->
<blockquote>
<p>&hellip;mọi phép ẩn dụ (analogy) đủ tốt đều &ldquo;khao khát&rdquo; trở thành một hàm tử.</p>]]></description>
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