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    <title>Amicus Certus · News · Ricardo Rivero Ortega</title>
    <link>https://amicuscertus.es/en/authors/rivero/</link>
    <description>Launches, new editions and news from the Amicus Certus imprint.</description>
    <language>en</language>
    <copyright>© 2026 Amicus Certus</copyright>
    <managingEditor>editorial@amicuscertus.es (Amicus Certus)</managingEditor>
    <webMaster>editorial@amicuscertus.es (Amicus Certus)</webMaster>
    <pubDate>Thu, 29 Oct 2026 00:00:00 GMT</pubDate>
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      <title>Amicus Certus · News · Ricardo Rivero Ortega</title>
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      <title>Two books by Ricardo Rivero, now in Brazilian Portuguese</title>
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      <pubDate>Thu, 29 Oct 2026 00:00:00 GMT</pubDate>
      <description>“Direito e Inteligência Artificial. Quatro estudos” and “Direito e Evolução Humana”, translated from the English editions.</description>
      <content:encoded><![CDATA[<p><img src="https://amicuscertus.es/covers/law-and-ai-pt.jpg" alt="Direito e Inteligência Artificial" width="900" height="1440" /></p>
<p>Amicus Certus publishes two essays by Ricardo Rivero Ortega, Professor of Administrative Law at the University of Salamanca, in Brazilian Portuguese, translated from their English editions, <em>Law and Artificial Intelligence</em> and <em>Law and Human Evolution</em>.</p>
<p><strong>Direito e Inteligência Artificial. Quatro estudos</strong> (84 pp.): Kindle eBook and paperback.</p>
<p><strong>Direito e Evolução Humana</strong> (96 pp.): Kindle eBook and paperback.</p>
<p>The eBooks are on Amazon.com.br and every other Kindle store; the paperbacks on Amazon.es and the other Amazon stores that sell KDP print books.</p>
<p><a href="https://amicuscertus.es/en/catalog/law-and-ai/">Direito e Inteligência Artificial →</a> · <a href="https://amicuscertus.es/en/catalog/law-and-human-evolution/">Direito e Evolução Humana →</a></p>
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      <dc:creator>Ricardo Rivero Ortega</dc:creator>
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      <category domain="book">Direito e Inteligência Artificial</category>
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      <title>The School of Salamanca in the Declaration of Independence and the US Constitution</title>
      <link>https://amicuscertus.es/en/news/libro-influencia-escuela-salamanca/</link>
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      <pubDate>Sat, 12 Sep 2026 00:00:00 GMT</pubDate>
      <description>Ricardo Rivero’s essay on the Salamanca legacy in the founding texts of the United States, in English and Spanish.</description>
      <content:encoded><![CDATA[<p><img src="https://amicuscertus.es/covers/influencia-escuela-salamanca-en.jpg" alt="The Influence of the School of Salamanca on the Declaration of Independence and the Constitution of the United States" width="900" height="1440" /></p>
<p>Ricardo Rivero Ortega traces the legacy of the School of Salamanca — Vitoria, Soto, Suárez — in the Declaration of Independence and the Constitution of the United States: the ideas on consent, natural law and the limits of power that travelled from the Salamanca lecture halls to Philadelphia. It opens the <em>Spain’s Legacy in North America</em> collection and is published in English and Spanish, as an eBook only.</p>
<p><strong>The Influence of the School of Salamanca on the Declaration of Independence and the Constitution of the United States</strong> (EN): Kindle eBook (€2.99); <strong>La influencia de la Escuela de Salamanca en la Declaración de Independencia y la Constitución de los Estados Unidos</strong> (ES): Kindle eBook (€2.99). In all 17 Amazon stores.</p>
<p><a href="https://amicuscertus.es/en/catalog/influencia-escuela-salamanca/">Book page and where to buy →</a></p>
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      <dc:creator>Ricardo Rivero Ortega</dc:creator>
      <category domain="author">Ricardo Rivero Ortega</category>
      <category domain="book">The Influence of the School of Salamanca on the Declaration of Independence and the Constitution of the United States</category>
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      <title>“Paradoxes of Subjective Social Rights”, in English and Spanish</title>
      <link>https://amicuscertus.es/en/news/libro-paradojas-derechos-sociales/</link>
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      <pubDate>Sat, 12 Sep 2026 00:00:00 GMT</pubDate>
      <description>A short essay by Ricardo Rivero, as an eBook at €2.99.</description>
      <content:encoded><![CDATA[<p><img src="https://amicuscertus.es/covers/paradojas-derechos-sociales-en.jpg" alt="Paradoxes of Subjective Social Rights" width="900" height="1440" /></p>
<p>A short essay by Ricardo Rivero Ortega on the paradoxes of subjective social rights: what happens when a social right is recognised as a claim enforceable before the courts, and the tensions it opens with budgets and with equality. Published in English translation and in the original Spanish, as an eBook only.</p>
<p><strong>Paradoxes of Subjective Social Rights</strong> (EN): Kindle eBook (€2.99); <strong>Paradojas de los derechos sociales subjetivos</strong> (ES): Kindle eBook (€2.99). In all 17 Amazon stores.</p>
<p><a href="https://amicuscertus.es/en/catalog/paradojas-derechos-sociales/">Book page and where to buy →</a></p>
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      <dc:creator>Ricardo Rivero Ortega</dc:creator>
      <category domain="author">Ricardo Rivero Ortega</category>
      <category domain="book">Paradoxes of Subjective Social Rights</category>
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      <title>Ricardo Rivero Ortega’s Law Collection: three studies in English</title>
      <link>https://amicuscertus.es/en/news/rivero-law-collection/</link>
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      <pubDate>Sat, 12 Sep 2026 00:00:00 GMT</pubDate>
      <description>“The Obligation”, “Law and Artificial Intelligence” and “Law and Human Evolution” are now available in paperback and Kindle, alongside two short essays in Spanish and English.</description>
      <content:encoded><![CDATA[<p><img src="https://amicuscertus.es/covers/the-obligation.jpg" alt="The Obligation" width="900" height="1440" /></p>
<p>Amicus Certus publishes in English three studies by <strong>Ricardo Rivero Ortega</strong>, Professor of Administrative Law and former Rector of the University of Salamanca:</p>
<ul>
<li><strong>“The Obligation. Regulation of Public Duties”</strong> (162 pages): what the law may demand of citizens, and how duties are regulated.</li>
<li><strong>“Law and Artificial Intelligence. Four Studies”</strong> (78 pages): four studies on what artificial intelligence changes for the law.</li>
<li><strong>“Law and Human Evolution”</strong> (88 pages): the law seen in the light of human evolution.</li>
</ul>
<p>The three books form the <em>Ricardo Rivero Ortega: Law Collection</em> on Amazon (paperback from €9.99, Kindle €4.99). Two short essays complete the picture, each in Spanish and in English and priced at €2.99 on Kindle: <em>Paradoxes of Subjective Social Rights</em> and <em>The Influence of the School of Salamanca on the Declaration of Independence and the Constitution of the United States</em>.</p>
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      <dc:creator>Ricardo Rivero Ortega</dc:creator>
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      <category domain="book">The Obligation</category>
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      <title>“Law and Artificial Intelligence. Four Studies”, by Ricardo Rivero</title>
      <link>https://amicuscertus.es/en/news/libro-law-and-ai/</link>
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      <pubDate>Fri, 11 Sep 2026 00:00:00 GMT</pubDate>
      <description>Four studies on artificial intelligence and administrative law, including smart public management.</description>
      <content:encoded><![CDATA[<p><img src="https://amicuscertus.es/covers/law-and-ai.jpg" alt="Law and Artificial Intelligence" width="900" height="1440" /></p>
<p>Four studies by Ricardo Rivero Ortega on artificial intelligence and administrative law — smart public management among them — published in English in the <em>Law Collection</em>. A short book for lawyers and public managers who want to understand what AI changes in public administration.</p>
<p><strong>Law and Artificial Intelligence</strong>: Kindle eBook (€4.99), paperback (€9.99). In all 17 Amazon stores.</p>
<p><a href="https://amicuscertus.es/en/catalog/law-and-ai/">Book page and where to buy →</a></p>
]]></content:encoded>
      <dc:creator>Ricardo Rivero Ortega</dc:creator>
      <category domain="author">Ricardo Rivero Ortega</category>
      <category domain="book">Law and Artificial Intelligence</category>
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      <title>“Law and Human Evolution”, by Ricardo Rivero</title>
      <link>https://amicuscertus.es/en/news/libro-law-and-human-evolution/</link>
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      <pubDate>Fri, 11 Sep 2026 00:00:00 GMT</pubDate>
      <description>An essay on the relationship between human evolution and the law.</description>
      <content:encoded><![CDATA[<p><img src="https://amicuscertus.es/covers/law-and-human-evolution.jpg" alt="Law and Human Evolution" width="900" height="1440" /></p>
<p>In “Law and Human Evolution” Ricardo Rivero Ortega explores the relationship between human evolution and the law: what evolutionary biology tells us about the origin of norms, and what the jurist can learn from it. Published in English in the <em>Law Collection</em>.</p>
<p><strong>Law and Human Evolution</strong>: Kindle eBook (€4.99), paperback (€9.99). In all 17 Amazon stores.</p>
<p><a href="https://amicuscertus.es/en/catalog/law-and-human-evolution/">Book page and where to buy →</a></p>
]]></content:encoded>
      <dc:creator>Ricardo Rivero Ortega</dc:creator>
      <category domain="author">Ricardo Rivero Ortega</category>
      <category domain="book">Law and Human Evolution</category>
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      <title>“The Obligation. Regulation of Public Duties”, by Ricardo Rivero</title>
      <link>https://amicuscertus.es/en/news/libro-the-obligation/</link>
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      <pubDate>Fri, 11 Sep 2026 00:00:00 GMT</pubDate>
      <description>A study on the regulation of public duties, on Kindle and in paperback.</description>
      <content:encoded><![CDATA[<p><img src="https://amicuscertus.es/covers/the-obligation.jpg" alt="The Obligation" width="900" height="1440" /></p>
<p>Ricardo Rivero Ortega, professor of administrative law at the University of Salamanca, examines in “The Obligation” the regulation of public duties: what binds the citizen before the administration, and within which limits. Published in English in the <em>Ricardo Rivero Ortega: Law Collection</em>.</p>
<p><strong>The Obligation</strong>: Kindle eBook (€4.99), paperback (€11.99). In all 17 Amazon stores.</p>
<p><a href="https://amicuscertus.es/en/catalog/the-obligation/">Book page and where to buy →</a></p>
]]></content:encoded>
      <dc:creator>Ricardo Rivero Ortega</dc:creator>
      <category domain="author">Ricardo Rivero Ortega</category>
      <category domain="book">The Obligation</category>
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