<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1814-151X</journal-id>
<journal-title><![CDATA[Luz]]></journal-title>
<abbrev-journal-title><![CDATA[Luz]]></abbrev-journal-title>
<issn>1814-151X</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Holguín]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1814-151X2024000100012</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Sobre la equivalencia de ciertas afirmaciones en los triángulos]]></article-title>
<article-title xml:lang="en"><![CDATA[On the equivalence of certain statements in triangles]]></article-title>
<article-title xml:lang="pt"><![CDATA[Sobre a equivalência de certas afirmações em triângulos]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Raghib Zeinal]]></surname>
<given-names><![CDATA[Abasov]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Azerbaijan State Pedagogical University  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Azerbaijan</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2024</year>
</pub-date>
<volume>23</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1814-151X2024000100012&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1814-151X2024000100012&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1814-151X2024000100012&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La equivalencia de enunciados es uno de los conceptos más importantes de las matemáticas. Este concepto juega un papel importante en la resolución de algunos problemas tanto en matemáticas superiores como en matemáticas escolares. Sin embargo, a veces estos conceptos se aplican a problemas que tienen estructuras diferentes. En este artículo se discuten aspectos generales para demostrar la equivalencia de algunos enunciados, así como para resolver algunos otros problemas sobre el tema de los triángulos. Además, se destacan potenciales dificultades en este proceso que todavía permanecen como problemas abiertos en este campo de investigación.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The equivalence of statements is one of the important concepts in mathematics. This concept plays an important role in solving some problems in both higher and school mathematics. However, sometimes these concepts are applied to problems that have different structures. In this article, general aspects are discussed to demonstrate the equivalence of some statements, as well as to solve some other problems on the topic of triangles. Furthermore, potential difficulties in this process are highlighted that still remain open problems in this field of research.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo A equivalência de enunciados é um dos conceitos importantes da matemática. Este conceito desempenha um papel importante na resolução de alguns problemas tanto de matemática superior quanto de matemática escolar. No entanto, às vezes esses conceitos são aplicados a problemas que possuem estruturas diferentes. Neste artigo são discutidos aspectos gerais para demonstrar a equivalência de algumas afirmações, bem como para resolver alguns outros problemas sobre o tema triângulos. Além disso, são destacadas potenciais dificuldades neste processo que ainda permanecem problemas em aberto neste campo de pesquisa.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[triangles]]></kwd>
<kwd lng="en"><![CDATA[equivalent statements]]></kwd>
<kwd lng="en"><![CDATA[transformations]]></kwd>
<kwd lng="en"><![CDATA[equivalence of systems]]></kwd>
<kwd lng="es"><![CDATA[triángulos]]></kwd>
<kwd lng="es"><![CDATA[enunciados equivalentes]]></kwd>
<kwd lng="es"><![CDATA[transformaciones]]></kwd>
<kwd lng="es"><![CDATA[equivalencia de sistemas]]></kwd>
<kwd lng="pt"><![CDATA[triângulos]]></kwd>
<kwd lng="pt"><![CDATA[enunciados equivalentes]]></kwd>
<kwd lng="pt"><![CDATA[transformações]]></kwd>
<kwd lng="pt"><![CDATA[equivalência de sistemas]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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