%%
%% This is file `aleph-libro.cls',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% aleph-libro.dtx  (with options: `aleph-libro')
%% 
%% This is a generated file.
%% LaTeX class for typesetting books
%% 
%% Copyright (C) 2019 by Andres Merino <mat.andresmerino@gmail.com>
%% 
%% Para un mejor uso y entendimiento de la actual clase,
%% consultar la documentación.
%% 
\NeedsTeXFormat{LaTeX2e}[2009/09/24]
\ProvidesClass{aleph-libro}[2023/12/22 v2.0]
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% --- Inicialización
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%  Primero definimos una serie de comandos auxiliares para las opciones
\newcommand\@series{Series}
\newcommand\@serie{Serie}
\newcommand\@idioma{spanish,es-nolists}
\newcommand\@tipo{}
\newcommand\@numobs{}
\newcommand\@notasm{}
\newcommand\@npblanco{}
\RequirePackage{ifthen}
\newboolean{comentarios}\setboolean{comentarios}{false}
\newboolean{codigo}\setboolean{codigo}{false}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% --- Opciones
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%  Opciones de tama\~no de letra.
\DeclareOption{10pt}{\PassOptionsToClass{10pt}{book}}
\DeclareOption{11pt}{\PassOptionsToClass{11pt}{book}}
\DeclareOption{12pt}{\PassOptionsToClass{12pt}{book}}
%%  Opciones predeterminadas de tama\~no de p\'agina |compacto| y |amplio|.
\DeclareOption{amplio}{
    \PassOptionsToPackage{paperwidth=195mm,paperheight=265mm,twoside,
    inner=2.2cm,outer=2.5cm,top=2.25cm,bottom=2.25cm}{geometry}}
\DeclareOption{compacto}{
    \PassOptionsToPackage{paperwidth=160mm,paperheight=240mm,twoside,
    inner=2.2cm,outer=1.7cm,top=2.25cm,bottom=2.25cm}{geometry}}
\DeclareOption{a4}{
    \PassOptionsToPackage{paperwidth=210mm,paperheight=297mm,twoside,
    inner=2.2cm,outer=2.2cm,top=2.25cm,bottom=2.25cm}{geometry}}
\DeclareOption{a5}{
    \PassOptionsToPackage{paperwidth=148mm,paperheight=210mm,twoside,
    inner=1.7cm,outer=1.7cm,top=2.25cm,bottom=2.25cm}{geometry}}
%%  Opción |notasm| genera el margen adecuado para colocar notas al margen
\DeclareOption{notasm}{
    \PassOptionsToPackage{outer=50mm,
    marginparwidth=4.4cm,marginparsep=0.3cm}{geometry}}
%%  La opción |numobs| coloca n\'umero en las observaciones.
\DeclareOption{numobs}{\renewcommand\@numobs{true}}
%%  Opción de formato |npblanco|.
\DeclareOption{npblanco}{\renewcommand\@npblanco{true}}
%%  Opciones predeterminadas son |compacto| y |10pt|.
\ExecuteOptions{compacto,10pt}
\ProcessOptions\relax
\LoadClass{book}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% --- Paquetes
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%  Son necesarios los siguientes paquetes para dar formato al documento.
\RequirePackage[utf8]{inputenc}
\RequirePackage[T1]{fontenc}
\RequirePackage[\@idioma]{babel}
\RequirePackage{ifthen}
\RequirePackage{calc}
\RequirePackage{xcolor}
\RequirePackage{pstricks}
\RequirePackage{pst-barcode}
\RequirePackage{amsmath,amsthm}
\RequirePackage{mathpazo}
\RequirePackage{graphicx}
\RequirePackage{titlesec}
\RequirePackage{setspace}
\RequirePackage{fancyhdr}
\RequirePackage{textcase}
\RequirePackage{nextpage}
\RequirePackage{marginnote}
\RequirePackage{titletoc}
\RequirePackage{comment}
\RequirePackage{xparse}
\RequirePackage{mdframed}
\RequirePackage[many]{tcolorbox}
\RequirePackage{fontawesome}
\RequirePackage[font={small},labelfont={bf,small},
   justification=centerlast]{caption}
\RequirePackage{float}
\RequirePackage{geometry}
\RequirePackage[colorlinks,linkcolor=black,urlcolor=black,
   citecolor=black,bookmarks=true]{hyperref}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% --- Paquetes de tipografía
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% El siguiente comando define las opciones de tipografía a utilizar de acuerdo al tipo de compilador
\newcommand{\fuente}[1]{
    \ifthenelse{\equal{#1}{mathpazo}}
    {
        \ifPDFTeX % LaTeX y pdfLaTeX
            \RequirePackage{mathpazo}
        \else % XeLaTeX
            \RequirePackage{fontspec}
            \RequirePackage{mathpazo}
            \setmainfont
             [ BoldFont       = texgyrepagella-bold.otf ,
               ItalicFont     = texgyrepagella-italic.otf ,
               BoldItalicFont = texgyrepagella-bolditalic.otf ]
             {texgyrepagella-regular.otf}
            % \RequirePackage{newpxtext,newpxmath}
        \fi
    }{}
    \ifthenelse{\equal{#1}{montserrat}}
    {
        \ifPDFTeX % LaTeX y pdfLaTeX
            \RequirePackage[defaultfam,tabular,lining]{montserrat}
                \renewcommand*\oldstylenums[1]{{\fontfamily{Montserrat-TOsF}\selectfont #1}}
            \RequirePackage[OT1]{eulervm}
            \renewcommand{\labelitemi}{$\bullet$}
            \DeclareMathSizes{10}{10.78}{7}{7}
        \else % XeLaTeX
            \RequirePackage[OT1]{eulervm}
            \RequirePackage{fontspec}
            \setmainfont{montserrat}
            \DeclareSymbolFont{operators}{\encodingdefault}{\familydefault}{m}{n}
            \DeclareMathSizes{10}{10.78}{7}{7}
        \fi
    }{}
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% --- Variables internas
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%  La siguiente es la lista de las variables internas utilizadas para el formato.
\newcommand\@interlineado{1.2}
\newcommand\@espteo{-0.58ex}
\newcommand\@subtitulo{}
\newcommand\@fasciculo{}
\newcommand\@sepsubtitulo{:}
\newcommand\@logouno{}
\newcommand\@logodos{}
\newcommand\@logotres{}
\newcommand\@logofondo{}
\newcommand\@editor{}
\newcommand\@revision{}
\newcommand\@asisedicion{}
\newcommand\@asistente{}
\newcommand\@publicado{}
\newcommand\@impresion{}
\newcommand\@derechos{}
\newcommand\@nota{}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% --- Colores predeterminados
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%  Los siguientes son los colores predefinidos de la clase.
\definecolor{colorportada}{cmyk}{0.81,0.62,0.00,0.22}
\definecolor{colordef}{cmyk}{0.81,0.62,0.00,0.22}
\definecolor{colortext}{cmyk}{0.81,0.62,0.00,0.22}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% --- Medidas internas
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%   Las siguientes son medidas internas que se utiliza para el formato.
\newlength{\longtitulo}
\newlength{\longsubtitulo}
\newlength{\longfasciculo}
\AtBeginDocument{
   \settowidth{\longtitulo}{\LARGE\sc \@titulo}
   \settowidth{\longsubtitulo}{\LARGE \sc \@subtitulo}
   \settowidth{\longfasciculo}{\Large \@fasciculo}
   \setlength{\unitlength}{
      \minof{\maxof{\maxof{\longfasciculo}{\longsubtitulo}}
      {\longtitulo}}{0.98\textwidth}}}
%%  Para mejorar la medida entre las ecuaciones.
\AtBeginDocument{
   \addtolength{\abovedisplayskip}{-0.5mm}
   \addtolength{\belowdisplayskip}{-0.5mm}
   \frontmatter}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% --- Definición de comandos de datos
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%  Autor: autor corto, autor normal
\newcommand{\autor}[2][]{\ifthenelse{\equal{#1}{}}
   {\newcommand\@autorcorto{#2}\newcommand\@autor{#2}}
   {\newcommand\@autorcorto{#1}\newcommand\@autor{#2}}}
%% T\'itulo del libro.
\newcommand{\titulo}[1]{\newcommand\@titulo{#1}}
%%  Subt\'itulo del libro, opcional.
\newcommand{\subtitulo}[2][]{\ifthenelse{\not\equal{#1}{}}
{\renewcommand\@sepsubtitulo{#1}}{}\renewcommand\@subtitulo{#2}}
%%  Fasc\'iculo del libro, opcional
\newcommand{\fasciculo}[1]{\renewcommand\@fasciculo{#1}}
%%  Nombre de la serie, singular y plural
\newcommand{\serie}[2]{\renewcommand\@serie{#2}
\renewcommand\@series{#1}}
%%  N\'umero del libro en la serie
\newcommand{\numero}[1]{\newcommand\@numero{#1}}
%%  Logos: 2 y 3 opcionales, con longuitud de portada y portadilla
\newcommand{\logouno}[3]{\renewcommand\@logouno{#1}
\newcommand\@lplogouno{#2}
    \newcommand\@lclogouno{#3}}
\newcommand{\logodos}[3]{\renewcommand\@logodos{#1}
\newcommand\@lplogodos{#2}
    \newcommand\@lclogodos{#3}}
\newcommand{\logotres}[3]{\renewcommand\@logotres{#1}
\newcommand\@lplogotres{#2}
    \newcommand\@lclogotres{#3}}
%%  Logos de fondo
\newcommand{\logofondo}[2][1.05\paperwidth]{\renewcommand\@logofondo{#2}
    \newcommand\@llogofondo{#1}}
%%  Idioma
\newcommand{\idioma}[1]{\renewcommand\@idioma{#1}}
%%  Editor, opcional
\newcommand{\editor}[1]{\renewcommand\@editor{#1}}
%%  Asistente de edición, opcional
\newcommand{\asisedicion}[1]{\renewcommand\@asisedicion{#1}}
%%  Revisión acad\'emica, opcional
\newcommand{\revision}[1]{\renewcommand\@revision{#1}}
%%  Asistente, opcional
\newcommand{\asistente}[1]{\renewcommand\@asistente{#1}}
%%  Registro autoral
\newcommand{\registroautoral}[1]{\newcommand\@regautoral{#1}}
%%  ISBN
\newcommand{\ISBN}[1]{\newcommand\@ISBN{#1}}
%%  Publicado por
\newcommand{\publicado}[1]{\renewcommand\@publicado{#1}}
%%  Fecha de publicación
\newcommand{\fechapub}[1]{\newcommand\@fechapub{#1}}
%%  N\'umero de edición y fecha
\newcommand{\edicion}[2]{\newcommand\@edicion{#1}
\newcommand\@fechaedicion{#2}}
%%  N\'umero de impresión y fecha opcional correcciones
\newcommand{\impresion}[3][]{\renewcommand\@impresion{#2}
\newcommand\@fechaimpresion{#3}\newcommand\@correcciones{#1}}
%%  Derechos
\newcommand{\derechos}[1]{\renewcommand\@derechos{#1}}
%%  Nota
\newcommand{\nota}[1]{\renewcommand\@nota{#1}}
%%  Interlineado
\newcommand{\interlineado}[1]{\renewcommand\@interlineado{#1}}
%%  Espacio para recuadro de teoremas
\newcommand{\espteo}[1]{\renewcommand\@espteo{#1}}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% --- Portada
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%  Altura de la caja de t\'itulo
\newcommand\@ytitulo{0.55\paperheight}
\newcommand{\ytitulo}[1]{\renewcommand{\@ytitulo}{#1}}
%%  Longuitud de la caja de t\'itulo
\newcommand\@ltitulo{0.7\paperwidth}
\newcommand{\ltitulo}[1]{\renewcommand{\@ltitulo}{#1}}
%%  Esquina cuadro blanco
\newcommand\@ecuadroblanco{.24\paperwidth}
\newcommand{\ecuadroblanco}[1]{\renewcommand{\@ecuadroblanco}{#1}}
%%  Posición de logos
\newcommand\@xlogouno{}
\newcommand{\xlogouno}[1]{\renewcommand{\@xlogouno}{#1}}
\newcommand\@xlogodos{}
\newcommand{\xlogodos}[1]{\renewcommand{\@xlogodos}{#1}}
\newcommand\@xlogotres{}
\newcommand{\xlogotres}[1]{\renewcommand{\@xlogotres}{#1}}
%%  Comando de portada
\newcommand{\portada}{
    \pagenumbering{alph}
    \newgeometry{left=0cm,right=0cm,top=0cm,bottom=0cm}
    \thispagestyle{empty}
    \begingroup\clearpage\noindent
\begin{pspicture}(0,0)(0.99\paperwidth,\paperheight)%
%%  Imagen de fondo
    \ifthenelse{\equal{\@logofondo}{}}{}{
    \begin{psclip}{\psframe(-1mm,.294\paperheight)
    (1.01\paperheight,.721\paperheight)}
    \rput(0.5\paperwidth,.495\paperheight)
        {\includegraphics[width=\@llogofondo]{\@logofondo}}
    \end{psclip}}
%%  T\'itulo
    \rput(0.5\paperwidth,\@ytitulo)
    {\psshadowbox[framearc=0.25,linecolor=colorportada,
        shadowcolor=colorportada!50,framesep=0.5cm]
        {\begin{minipage}{\@ltitulo}\begin{spacing}{1.2}
        \ifthenelse{\equal{\@fasciculo}{}}
        {
        \ifthenelse{\equal{\@subtitulo}{}}
            {\Huge\centering \textbf{\textsc{\@titulo}}}
            {\Huge\centering \textbf{\textsc{\@titulo\\[2mm]
            \huge \@subtitulo}}}
        }
        {
        \ifthenelse{\equal{\@subtitulo}{}}
            {\Huge\centering \textbf{\textsc{\@titulo\\ \LARGE \@fasciculo}}}
            {\Huge\centering \textbf{\textsc{\@titulo\\ \huge \@subtitulo \\
                \LARGE \@fasciculo}}}
        }
        \end{spacing}\vspace{-\baselineskip}\end{minipage}
        }
    }
%%  Logos
    \ifthenelse{\equal{\@logodos}{}}
    {
    \rput(0.5\paperwidth,.13\paperheight)
        {\includegraphics[width=\@lplogouno]{\@logouno}}
    }
    {
    \ifthenelse{\equal{\@logotres}{}}
    {
        \ifthenelse{\equal{\@xlogodos}{}}{
            \renewcommand{\@xlogouno}{.333\paperwidth}
            \renewcommand{\@xlogodos}{.666\paperwidth}}
            {}
    \rput(\@xlogouno,.13\paperheight)
        {\includegraphics[width=\@lplogouno]{\@logouno}}
    \rput(\@xlogodos,.13\paperheight)
        {\includegraphics[width=\@lplogodos]{\@logodos}}
    }
    {
        \ifthenelse{\equal{\@xlogotres}{}}{
            \renewcommand{\@xlogouno}{.25\paperwidth}
            \renewcommand{\@xlogodos}{.5\paperwidth}
            \renewcommand{\@xlogotres}{.75\paperwidth}
            }{}
    \rput(\@xlogouno,.13\paperheight)
        {\includegraphics[width=\@lplogouno]{\@logouno}}
    \rput(\@xlogodos,.13\paperheight)
        {\includegraphics[width=\@lplogodos]{\@logodos}}
    \rput(\@xlogotres,.13\paperheight)
        {\includegraphics[width=\@lplogotres]{\@logotres}}
    }
    }
%%  Linea autor
    \psframe*[linecolor=colorportada](-.1,.245\paperheight)
        (1.01\paperwidth,.295\paperheight)
        \uput{5mm}[l](.99\paperwidth,.27\paperheight)
        {\LARGE\color{white} \textbf{\@autor}}
%%  Linea numero
    \psframe*[linecolor=colorportada](-.1,.72\paperheight)
        (1.01\paperwidth,.77\paperheight)
        \uput{5mm}[l](.99\paperwidth,.745\paperheight)
        {\huge\color{white} \textbf{\@numero}}
%%  Recuadro superior
    \psframe[linestyle=none,fillstyle=hlines,hatchcolor=colorportada!50]
        (-.1,.77\paperheight)(1.01\paperwidth,1.01\paperheight)
%%  Recuadro blanco superior
    \psframe[linestyle=none,fillstyle=solid,fillcolor=white,framearc=0.25]
        (\@ecuadroblanco,.83\paperheight)(1.01\paperwidth,.93\paperheight)
        \uput{5mm}[l](.99\paperwidth,.88\paperheight){\begin{minipage}{16cm}
            \raggedleft \LARGE \textbf{\@series}
            \end{minipage}}%
\end{pspicture}
\endgroup
\restoregeometry
\ifthenelse{\equal{\@npblanco}{true}}{}
    {\cleartooddpage[\thispagestyle{empty}\vspace*{\fill}
    \textcolor{gray!50}{Esta p\'agina ha sido dejada intencionalmente en blanco.}
    \par\vspace*{\fill}]}
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% --- Portadilla
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%  Este comando genera la portadilla y la hoja de cr\'editos.
\newcommand{\portadilla}{
    \newgeometry{left=3cm,right=3cm,top=3cm,bottom=3cm}
    \begin{spacing}{1.0}
    \thispagestyle{empty}
    \setcounter{page}{1}
    \pagenumbering{roman}
\begingroup
    \centering
%%  Serie
\begin{spacing}{1.3}
        \Large\scshape \@series
    \end{spacing}
%%  Autor
    \vspace{0.21\textheight}
        {\large\scshape \@autorcorto}\\[0.4\baselineskip]
%%  Titulo entre lineas
        \rule{\unitlength}{1.6pt}\\[-\baselineskip]\vspace{3pt}
        \rule{\unitlength}{0.4pt}\\[0.5\baselineskip]
        \begin{spacing}{1}
        \ifthenelse{\equal{\@fasciculo}{}}
        {
        \ifthenelse{\equal{\@subtitulo}{}}
            {\LARGE \textsc{\@titulo}}
            {{\LARGE \textsc{\@titulo}}\\[\baselineskip]
            {\Large\scshape \@subtitulo}}
        }
        {
        \ifthenelse{\equal{\@subtitulo}{}}
            {\LARGE \textsc{\@titulo}\\[\baselineskip]{\large\@fasciculo}}
            {{\LARGE \textsc{\@titulo}}\\[\baselineskip]
            {\scshape \Large\@subtitulo}\\[\baselineskip]{\large\@fasciculo}}
        }
        \end{spacing}
        \vspace*{-0.5\baselineskip}
        \rule{\unitlength}{0.4pt}\\[-\baselineskip]\vspace{4.5pt}
        \rule{\unitlength}{1.6pt}
%%  Logos
\par\vfill
\ifthenelse{\equal{\@logodos}{}}
{
        \includegraphics[width=\@lclogouno]{\@logouno}
    }
    {
    \ifthenelse{\equal{\@logotres}{}}
    {
        \raisebox{-0.5\height}{\includegraphics[width=\@lclogouno]
            {\@logouno}}\hspace{0.16\textwidth}
        \raisebox{-0.5\height}{\includegraphics[width=\@lclogodos]
            {\@logodos}}
    }
    {
        \raisebox{-0.5\height}{\includegraphics[width=\@lclogouno]
            {\@logouno}}\hspace{0.08\textwidth}
        \raisebox{-0.5\height}{\includegraphics[width=\@lclogodos]
            {\@logodos}}\hspace{0.08\textwidth}
        \raisebox{-0.5\height}{\includegraphics[width=\@lclogotres]
            {\@logotres}}
    }
    }
    \par\vspace*{0.001\textheight}
%%  P\'agina de cr\'editos
\newpage
\thispagestyle{empty}
\raggedright
%%  Serie, t\'itulo y autor
    \vspace*{\baselineskip}
    {\large\textbf{\@serie\ No. \@numero}}\\[0.6\baselineskip]
    {\scshape
    \ifthenelse{\equal{\@fasciculo}{}}
    {
    \ifthenelse{\equal{\@subtitulo}{}}
        {\@titulo\\[0.2\baselineskip]}
        {\@titulo\@sepsubtitulo\ \@subtitulo}
        \\[0.6\baselineskip]
    }
    {
    \ifthenelse{\equal{\@subtitulo}{}}
        {\@titulo\\[0.2\baselineskip] \@fasciculo}
        {\@titulo\@sepsubtitulo\ \@subtitulo\\[0.2\baselineskip]\@fasciculo}
        \\[0.6\baselineskip]
    }}
    {\@autor}\par
    \small\vspace*{4\baselineskip}
%%  Cr\'editos
    \ifthenelse{\equal{\@asistente}{}}{}
        {\textbf{Asistentes}: \@asistente \\[1mm]}
    \ifthenelse{\equal{\@editor}{}}{}
        {\textbf{Responsable de la Edición}: \@editor \\[1mm]}
    \ifthenelse{\equal{\@asisedicion}{}}{}
        {\textbf{Asistente de Edición}: \@asisedicion \\[1mm]}
    \ifthenelse{\equal{\@revision}{}}{}
        {\textbf{Revisión Acad\'emica}: \@revision \\[1mm]}
    \vspace*{4\baselineskip}
%%  Registro e ISBN
    Registro de derecho autoral No. \@regautoral\\[1mm]
    ISBN: \@ISBN\par
    \vspace*{4\baselineskip}
%%  Publicado por
    \ifthenelse{\equal{\@publicado}{}}{}
    {Publicado \@publicado\par
\vspace*{4\baselineskip}}
%%  Edición e impresión
\@edicion\ edición: \@fechaedicion\\[1mm]
\ifthenelse{\equal{\@impresion}{}}{}
{
    \ifthenelse{\equal{\@correcciones}{}}
        {\@impresion\ impresión: \@fechaimpresion}
        {\@impresion\ impresión (con correcciones): \@fechaimpresion}\par
    }
    \vspace*{4\baselineskip}
%%  Derechos
    \textcopyright\ \@derechos\ \@fechapub
%%  Nota
\ifthenelse{\equal{\@nota}{}}{}
    {\par\vspace*{4\baselineskip}\@nota}
\endgroup
    \end{spacing}
    \restoregeometry
    \cleartooddpage[\thispagestyle{empty}]
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% --- Contraportada
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%  Altura de la caja de t\'itulo
\newcommand\@ytexto{0.55\paperheight}
\newcommand{\ytexto}[1]{\renewcommand{\@ytexto}{#1}}
%%  Medidas
\newlength{\xqr}
\newlength{\xisbn}
\setlength{\xqr}{0.33\paperwidth-0.45in}
\setlength{\xisbn}{0.66\paperwidth-0.75in}
%%  Este comando genera la contraportada.
\newcommand{\contraportada}[3]{
\ifthenelse{\equal{\@npblanco}{true}}{}
    {\cleartooddpage[\thispagestyle{empty}\vspace*{\fill}
    \textcolor{gray!50}{Esta p\'agina ha sido dejada intencionalmente en blanco.}
    \par\vspace*{\fill}]}
    \newgeometry{left=0cm,right=0cm,top=0cm,bottom=0cm}
    \thispagestyle{empty}
\begingroup
    \clearpage
    \noindent
    \begin{pspicture}(0,0)(\paperwidth,\paperheight)
\rput(0.5\paperwidth,\@ytexto)
    {
        \begin{minipage}{.75\paperwidth}\begin{spacing}{1.2}
        \slshape #3
        \end{spacing}\vspace{-\baselineskip}\end{minipage}
    }
%%  Código QR e ISBN
\rput(\xqr,.09\paperheight){\psbarcode{#2}
        {width=1 height=1}{qrcode}}
\rput(\xisbn,.09\paperheight){\psbarcode{\@ISBN}
        {includetext guardwhitespace}{isbn}}
%%  Linea 1
    \psframe*[linecolor=colorportada](-.1,.245\paperheight)
        (1.01\paperwidth,.295\paperheight)
\rput(.5\paperwidth,.27\paperheight){\LARGE\color{white} \textbf{#1}}
%%  Linea t\'itulo
\psframe*[linecolor=colorportada](-.1,.72\paperheight)
        (1.01\paperwidth,.77\paperheight)
\rput(.5\paperwidth,.745\paperheight){\huge\color{white} \textbf{\@titulo}}
    \end{pspicture}
\endgroup
\restoregeometry
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% --- Tabla de contenidos
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%  Este comando genera la tabla de contenidos.
\newcommand{\tabladecontenidos}{
    \newgeometry{left=2.5cm,right=2.5cm,top=2.5cm,bottom=2.5cm}
   \tableofcontents
   \restoregeometry
   \cleartooddpage[\thispagestyle{empty}]
   }
%%  Adem\'as se definen los estilos. Estilo de texto del cap\'itulo
\titlecontents{chapter}[1.6cm]
    {\addvspace{2pt}\color{colortext}\Large\bfseries\scshape}
    {\contentslabel[\large Cap. \thecontentslabel]{1.6cm}}
    {}
    {\normalsize\hfill\thecontentspage}
%%  Estilo de texto del sección
\titlecontents{section}[1.6cm]
    {\addvspace{3pt}}
    {\contentslabel[\thecontentslabel]{0.8cm}}
    {}
    {\ \titlerule*[.5pc]{.}\;\; \thecontentspage}
    []
%%  Estilo de texto del subsección
\titlecontents{subsection}[2.5cm]
    {\addvspace{1pt}\small}
    {\contentslabel[\thecontentslabel]{0.9cm}}
    {}
    {\ \titlerule*[.51pc]{.}\;\;\thecontentspage}
    []
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% --- Dedicatoria
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%  Este ambiente genera la dedicatoria.
\newenvironment{dedicatoria}[1][\ ]
   {\thispagestyle{empty}
   \vspace*{8\baselineskip}
   \begin{flushright}
   \textbf{\MakeUppercase{#1}}\\[1\baselineskip]
   \begingroup\itshape
   }
   {\endgroup\end{flushright}
   \cleartooddpage[\thispagestyle{empty}]
   }
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% --- Notas al margen
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%  Este ambiente genera notas al margen.
\mdfdefinestyle{margen}{
   hidealllines=true,
   innertopmargin=.2\baselineskip,innerbottommargin=-.5\baselineskip,
   innerleftmargin=0.5em,innerrightmargin=0.5em,
   roundcorner=2,backgroundcolor=\mdf@@color}
\DeclareDocumentCommand{\almargen}{ O{0pt} O{colordef!05} m}
    {\marginnote{
    \begin{mdframed}[style=margen,color=#2]
    \begin{spacing}{1.2}\footnotesize
        #3
    \end{spacing}
    \end{mdframed}
    }[#1]}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% --- Estilo p\'agina
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%  Interlineado
\renewcommand{\baselinestretch}{\@interlineado}
%%  Encabezado y pie de p\'agina
\pagestyle{fancy}
\renewcommand{\chaptermark}[1]{%
\markboth{#1}{}}
\renewcommand{\sectionmark}[1]{%
\markright{\thesection\ #1}}
\fancyhf{}
\fancyhead[LE,RO]{\bfseries\thepage}
\fancyhead[LO]{\bfseries\nouppercase{\rightmark}}
\fancyhead[RE]{\bfseries\nouppercase{\leftmark}}
\renewcommand{\headrulewidth}{.2pt}
\renewcommand{\footrulewidth}{0pt}
\addtolength{\headheight}{.1pt}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% --- Estilo t\'itulos
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%  Estilo de cap\'itulo
\titleformat{\chapter}[display]
    {\vspace{-2cm}\bfseries\scshape\centering}
    {\huge\chaptertitlename\ \ \thechapter}{1ex}
    {\color{colortext}\LARGE\titlerule\vspace{1ex}}
    [\color{colortext}\vspace{1ex}\titlerule]
%%  Estilo secciones
    \titleformat{\section}
    {\color{colortext}\normalfont\Large\bfseries\scshape}{\thesection}{1em}{}
    \titleformat{\subsection}
    {\color{colortext}\normalfont\large\bfseries}{\thesubsection}{1em}{}
    \titleformat{\subsubsection}
    {\color{colortext}\normalfont\normalsize\bfseries}{\thesubsubsection}{1em}{}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% --- Estilo teoremas
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%  Keys temporales: |tipo|,|color|, |contador| e |icóno|.
\def\tcb@@tipo{}
    \tcbset{ tipo/.code = {\def\tcb@@tipo{#1} } }
\def\tcb@@contador{}
    \tcbset{ contador/.code = {\def\tcb@@contador{#1} } }
\def\tcb@@color{colordef}
    \tcbset{ color/.code = {\def\tcb@@color{#1} } }
\def\tcb@@icono{{\large\faWarning}}
    \tcbset{ icono/.code = {\def\tcb@@icono{#1} } }
%%  Estilo de teorema
\newtheoremstyle{estiloteorema}%
    {9pt}{9pt}{}{0pt}
    {\bfseries\color{\tcb@@color}}
    {}{ }
    {\textsc{\thmname{#1}\thmnumber{ #2}}\thmnote{: #3}.}
%%  Formatos del estilo
%%
%%  Recuadro sin título aparte
\tcbset{ recuadrost/.style ={
    before skip=10pt,arc=0mm,breakable,enhanced,
    colback=\tcb@@color!7,colframe=\tcb@@color,
    boxrule=0pt,leftrule=2pt,
    top=0.5mm,bottom=0.5mm,left=2mm,right=2mm,
    fontupper=\normalsize,
    }
    }
%%  Estilo de post-it
\tcbset{ postit/.style ={
    % -> Opciones generales
    breakable,enhanced,
    before skip=2mm,after skip=3mm,
    colback=\tcb@@color!50,colframe=\tcb@@color!20!black,
    boxrule=0.4pt,
    drop fuzzy shadow,
    left=6mm,right=2mm,top=0.5mm,bottom=0.5mm,
    sharp corners,rounded corners=southeast,arc is angular,arc=3mm,
    underlay unbroken and last = {%
        \path[fill=tcbcolback!80!black]
        ([yshift=3mm]interior.south east) --++ (-0.4,-0.1) --++ (0.1,-0.2);
        \path[draw=tcbcolframe,shorten <=-0.05mm,shorten >=-0.05mm]
        ([yshift=3mm]interior.south east) --++ (-0.4,-0.1) --++ (0.1,-0.2);
        \path[fill=\tcb@@color!50!black,draw=none]
        (interior.south west) rectangle node[white]{\tcb@@icono} ([xshift=5.5mm]interior.north west);
        },
    underlay = {%
        \path[fill=\tcb@@color!50!black,draw=none]
        (interior.south west) rectangle node[white]{\tcb@@icono} ([xshift=5.5mm]interior.north west);
        }
    }
    }
%%  Recuadro con título aparte interno
\tcbset{ recuadroctint/.style ={
    % -> Opciones generales
    before skip=10pt,arc=0mm,breakable,enhanced,
    colback=colordef!7,colframe=colordef!7,colbacktitle=colordef!7,
    boxrule=0pt,toprule=0.4pt,
    drop fuzzy shadow,
    top=0.5mm,bottom=0.5mm,left=2mm,right=2mm,
    fontupper=\normalsize,
    code={\refstepcounter{\tcb@@contador}},
    % parbox=false,
    % Dibujo del título
    overlay unbroken and first = {
        % Borde superior grueso
        \draw[\tcb@@color,line width =2.5cm]
            ([xshift=1.25cm, yshift=0cm]frame.north west)--+(0pt,3pt);
        },
    overlay middle and last = { },
    title={
            \color{\tcb@@color}\bfseries
            {\scshape\tcb@@tipo~\thechapter.\arabic{\tcb@@contador}}%
                %
            \ifthenelse{\equal{#1}{}}{.}{: #1.}%
        },
    }
    }
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% --- Definición de ambientes de teoremas
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%  Ambientes sin recuadro: |ejem| y |obs|
\theoremstyle{estiloteorema}
    \newtheorem{ejem}{Ejemplo}[chapter]
    \ifthenelse{\equal{\@numobs}{true}}
        {\newtheorem{obs}{\tikz \fill[colordef] (1ex,1ex) circle (3.5pt); Observación}[chapter]}
        {\newtheorem*{obs}{\tikz \fill[colordef] (1ex,1ex) circle (3.5pt); Observación}}
%%  Ambientes con recuadrost: |prop|, |cor|, |lem|, |ejer|.
    \newtheorem{prop}{Proposición}[chapter]
        \tcolorboxenvironment{prop}{%
            color=colordef,recuadrost,colback=colordef!7,drop fuzzy shadow
        }
    \newtheorem{cor}[prop]{Corolario}
        \tcolorboxenvironment{cor}{%
            color=colordef,recuadrost,colback=colordef!7,drop fuzzy shadow
        }
    \newtheorem{lem}[prop]{Lema}
        \tcolorboxenvironment{lem}{%
            color=colordef,recuadrost,colback=colordef!7,drop fuzzy shadow
        }
    \newtheorem{ejer}{Ejercicio}[chapter]
        \tcolorboxenvironment{ejer}{%
            color=colordef,recuadrost,colback=colordef!7,drop fuzzy shadow
        }
%%  Ambientes con título aparte: |teo|.
\newtcolorbox{teo}[1][]
    {tipo=Teorema,contador=prop,color=colordef,recuadroctint={#1}}
%%  Ambientes con título aparte: |defi|.
\newcounter{defi}[chapter]
\renewcommand{\thedefi}{\thechapter.\arabic{defi}}
\newtcolorbox{defi}[1][]
    {tipo=Definición,contador=defi,color=colordef,recuadroctint={#1}}
%%  Ambientes con título aparte: |axioma|.
\newcounter{axioma}[chapter]
\renewcommand{\theaxioma}{\thechapter.\arabic{axioma}}
\newtcolorbox{axioma}[1][]
    {tipo=Axioma,contador=axioma,color=colordef,recuadroctint={#1}}
%%  Ambientes advertencia: |advertencia|.
\newtcolorbox{advertencia}
    {color=yellow,postit}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% --- Ambientes opcionales
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%  Estilo de comentarios para el docente
\ifthenelse{\boolean{comentarios}}{
    \newtcolorbox{comentarios}{
        breakable,
        enhanced,
        outer arc=0pt, arc=0pt,
        colframe=colordef!20,
        colback=white,
        attach boxed title to top left,
        boxed title style={
            colback=colordef!50,
            outer arc=0pt, arc=0pt,
            boxrule=0pt,
        },
        boxrule=0pt,
        borderline west = {1.5pt}{0pt}{colordef!50},
        borderline south = {1.5pt}{0pt}{colordef!50},
        left=1mm,
        fontlower=\small,
        title=\textbf{\textsc{\small \textcolor{black}{Sugerencias metodológicas:}}}
        }
    }
    {\excludecomment{comentarios}}
%%  Y ¡se acabó!
\endinput
%%
%% End of file `aleph-libro.cls'.