diff --git a/src/fundamentals-of-ai-and-kr/module1/ainotes.cls b/src/fundamentals-of-ai-and-kr/module1/ainotes.cls
deleted file mode 100644
index a93c2fc..0000000
--- a/src/fundamentals-of-ai-and-kr/module1/ainotes.cls
+++ /dev/null
@@ -1,105 +0,0 @@
-\NeedsTeXFormat{LaTeX2e}[]
-\ProvidesClass{ainotes}
-
-\LoadClass{scrreprt}
-
-
-\usepackage{geometry}
-\usepackage{graphicx, xcolor}
-\usepackage{amsmath, amsfonts, amssymb, amsthm, mathtools, bm, upgreek, cancel}
-\usepackage[pdfusetitle]{hyperref}
-\usepackage[nameinlink]{cleveref}
-\usepackage[all]{hypcap} % Links hyperref to object top and not caption
-\usepackage[inline]{enumitem}
-\usepackage{marginnote}
-\usepackage[bottom]{footmisc}
-\usepackage{scrlayer-scrpage}
-\usepackage{scrhack, algorithm, listings}
-\usepackage{array, makecell, multirow}
-\usepackage{acro}
-\usepackage{subcaption}
-\usepackage{eurosym}
-\usepackage{bussproofs} % Deductive tree
-
-\geometry{ margin=3cm, lmargin=1.5cm, rmargin=4.5cm, marginparwidth=3cm }
-\hypersetup{ colorlinks, citecolor=black, filecolor=black, linkcolor=black, urlcolor=black, linktoc=all }
-
-\definecolor{codegreen}{rgb}{0,0.6,0}
-\definecolor{codegray}{rgb}{0.5,0.5,0.5}
-\definecolor{codepurple}{rgb}{0.58,0,0.82}
-\definecolor{backcolour}{rgb}{0.95,0.95,0.92}
-\lstdefinestyle{mystyle}{
-    commentstyle = \color{codegreen},
-    keywordstyle = \color{magenta},
-    numberstyle = \tiny\color{codegray},
-    stringstyle = \color{codepurple},
-    basicstyle = \footnotesize\ttfamily,
-    breakatwhitespace = false, 
-    breaklines = true, 
-    captionpos = b, 
-    keepspaces = true,
-    numbers = none,
-    showspaces = false,
-    showstringspaces = true,
-    showtabs = false,
-    tabsize = 3
-}
-\lstset{style=mystyle}
-\lstset{language=Python}
-
-\NewDocumentEnvironment{descriptionlist}{}{%
-    \begin{description}[labelindent=1em]
-}{
-    \end{description}%
-}
-\setlength{\parindent}{0pt}
-\renewcommand*{\marginfont}{\color{gray}\footnotesize}
-\renewcommand*\chapterpagestyle{scrheadings} % Header in chapter pages
-
-\theoremstyle{definition}
-\newtheorem{theorem}{Theorem}[section]
-\newtheorem{corollary}{Corollary}[theorem]
-\newtheorem{lemma}[theorem]{Lemma}
-\newtheorem*{example}{Example}
-\theoremstyle{definition}
-\newtheorem*{definition}{Def}
-
-\newcommand{\ubar}[1]{\text{\b{$#1$}}}
-\renewcommand{\vec}[1]{{\bm{\mathbf{#1}}}}
-\newcommand{\nullvec}[0]{\bar{\vec{0}}}
-\newcommand{\matr}[1]{{\bm{#1}}}
-\newcommand{\prob}[1]{{\mathcal{P}\left({#1}\right)}}
-
-
-\renewcommand*{\maketitle}{%
-    \begin{titlepage}
-    \newgeometry{margin=3cm}
-        \centering
-        \vspace*{\fill}
-        \huge
-        \textbf{\@title}\\
-        {\Large Last update: {17 November 2023}}
-        \vspace*{\fill}
-
-        \Large
-        Academic Year \@date\\
-        Alma Mater Studiorum $\cdot$ University of Bologna
-        \vspace*{1cm}
-    \restoregeometry
-    \end{titlepage}
-    \newpage
-}
-
-
-\newcommand*{\makenotesfront}{%
-    \newgeometry{margin=3cm}
-    \maketitle
-    \pagenumbering{roman}
-    \tableofcontents
-    \restoregeometry
-    \newpage
-    \pagenumbering{arabic}
-}
-
-
-\newcommand{\eoc}[0]{\begin{flushright}\texttt{\raggedleft\small <end of course>}\end{flushright}}
\ No newline at end of file
diff --git a/src/fundamentals-of-ai-and-kr/module1/ainotes.cls b/src/fundamentals-of-ai-and-kr/module1/ainotes.cls
new file mode 120000
index 0000000..146fd3c
--- /dev/null
+++ b/src/fundamentals-of-ai-and-kr/module1/ainotes.cls
@@ -0,0 +1 @@
+../../ainotes.cls
\ No newline at end of file
diff --git a/src/fundamentals-of-ai-and-kr/module2/ainotes.cls b/src/fundamentals-of-ai-and-kr/module2/ainotes.cls
deleted file mode 100644
index b7fe53b..0000000
--- a/src/fundamentals-of-ai-and-kr/module2/ainotes.cls
+++ /dev/null
@@ -1,105 +0,0 @@
-\NeedsTeXFormat{LaTeX2e}[]
-\ProvidesClass{ainotes}
-
-\LoadClass{scrreprt}
-
-
-\usepackage{geometry}
-\usepackage{graphicx, xcolor}
-\usepackage{amsmath, amsfonts, amssymb, amsthm, mathtools, bm, upgreek, cancel}
-\usepackage[pdfusetitle]{hyperref}
-\usepackage[nameinlink]{cleveref}
-\usepackage[all]{hypcap} % Links hyperref to object top and not caption
-\usepackage[inline]{enumitem}
-\usepackage{marginnote}
-\usepackage[bottom]{footmisc}
-\usepackage{scrlayer-scrpage}
-\usepackage{scrhack, algorithm, listings}
-\usepackage{array, makecell, multirow}
-\usepackage{acro}
-\usepackage{subcaption}
-\usepackage{eurosym}
-\usepackage{bussproofs} % Deductive tree
-
-\geometry{ margin=3cm, lmargin=1.5cm, rmargin=4.5cm, marginparwidth=3cm }
-\hypersetup{ colorlinks, citecolor=black, filecolor=black, linkcolor=black, urlcolor=black, linktoc=all }
-
-\definecolor{codegreen}{rgb}{0,0.6,0}
-\definecolor{codegray}{rgb}{0.5,0.5,0.5}
-\definecolor{codepurple}{rgb}{0.58,0,0.82}
-\definecolor{backcolour}{rgb}{0.95,0.95,0.92}
-\lstdefinestyle{mystyle}{
-    commentstyle = \color{codegreen},
-    keywordstyle = \color{magenta},
-    numberstyle = \tiny\color{codegray},
-    stringstyle = \color{codepurple},
-    basicstyle = \footnotesize\ttfamily,
-    breakatwhitespace = false, 
-    breaklines = true, 
-    captionpos = b, 
-    keepspaces = true,
-    numbers = none,
-    showspaces = false,
-    showstringspaces = true,
-    showtabs = false,
-    tabsize = 3
-}
-\lstset{style=mystyle}
-\lstset{language=Python}
-
-\NewDocumentEnvironment{descriptionlist}{}{%
-    \begin{description}[labelindent=1em]
-}{
-    \end{description}%
-}
-\setlength{\parindent}{0pt}
-\renewcommand*{\marginfont}{\color{gray}\footnotesize}
-\renewcommand*\chapterpagestyle{scrheadings} % Header in chapter pages
-
-\theoremstyle{definition}
-\newtheorem{theorem}{Theorem}[section]
-\newtheorem{corollary}{Corollary}[theorem]
-\newtheorem{lemma}[theorem]{Lemma}
-\newtheorem*{example}{Example}
-\theoremstyle{definition}
-\newtheorem*{definition}{Def}
-
-\newcommand{\ubar}[1]{\text{\b{$#1$}}}
-\renewcommand{\vec}[1]{{\bm{\mathbf{#1}}}}
-\newcommand{\nullvec}[0]{\bar{\vec{0}}}
-\newcommand{\matr}[1]{{\bm{#1}}}
-\newcommand{\prob}[1]{{\mathcal{P}\left({#1}\right)}}
-
-
-\renewcommand*{\maketitle}{%
-    \begin{titlepage}
-    \newgeometry{margin=3cm}
-        \centering
-        \vspace*{\fill}
-        \huge
-        \textbf{\@title}\\
-        {\Large Last update: {10 November 2023}}
-        \vspace*{\fill}
-
-        \Large
-        Academic Year \@date\\
-        Alma Mater Studiorum $\cdot$ University of Bologna
-        \vspace*{1cm}
-    \restoregeometry
-    \end{titlepage}
-    \newpage
-}
-
-
-\newcommand*{\makenotesfront}{%
-    \newgeometry{margin=3cm}
-    \maketitle
-    \pagenumbering{roman}
-    \tableofcontents
-    \restoregeometry
-    \newpage
-    \pagenumbering{arabic}
-}
-
-
-\newcommand{\eoc}[0]{\begin{flushright}\texttt{\raggedleft\small <end of course>}\end{flushright}}
\ No newline at end of file
diff --git a/src/fundamentals-of-ai-and-kr/module2/ainotes.cls b/src/fundamentals-of-ai-and-kr/module2/ainotes.cls
new file mode 120000
index 0000000..146fd3c
--- /dev/null
+++ b/src/fundamentals-of-ai-and-kr/module2/ainotes.cls
@@ -0,0 +1 @@
+../../ainotes.cls
\ No newline at end of file
diff --git a/src/fundamentals-of-ai-and-kr/module3/ainotes.cls b/src/fundamentals-of-ai-and-kr/module3/ainotes.cls
deleted file mode 100644
index c41f604..0000000
--- a/src/fundamentals-of-ai-and-kr/module3/ainotes.cls
+++ /dev/null
@@ -1,105 +0,0 @@
-\NeedsTeXFormat{LaTeX2e}[]
-\ProvidesClass{ainotes}
-
-\LoadClass{scrreprt}
-
-
-\usepackage{geometry}
-\usepackage{graphicx, xcolor}
-\usepackage{amsmath, amsfonts, amssymb, amsthm, mathtools, bm, upgreek, cancel}
-\usepackage[pdfusetitle]{hyperref}
-\usepackage[nameinlink]{cleveref}
-\usepackage[all]{hypcap} % Links hyperref to object top and not caption
-\usepackage[inline]{enumitem}
-\usepackage{marginnote}
-\usepackage[bottom]{footmisc}
-\usepackage{scrlayer-scrpage}
-\usepackage{scrhack, algorithm, listings}
-\usepackage{array, makecell, multirow}
-\usepackage{acro}
-\usepackage{subcaption}
-\usepackage{eurosym}
-\usepackage{bussproofs} % Deductive tree
-
-\geometry{ margin=3cm, lmargin=1.5cm, rmargin=4.5cm, marginparwidth=3cm }
-\hypersetup{ colorlinks, citecolor=black, filecolor=black, linkcolor=black, urlcolor=black, linktoc=all }
-
-\definecolor{codegreen}{rgb}{0,0.6,0}
-\definecolor{codegray}{rgb}{0.5,0.5,0.5}
-\definecolor{codepurple}{rgb}{0.58,0,0.82}
-\definecolor{backcolour}{rgb}{0.95,0.95,0.92}
-\lstdefinestyle{mystyle}{
-    commentstyle = \color{codegreen},
-    keywordstyle = \color{magenta},
-    numberstyle = \tiny\color{codegray},
-    stringstyle = \color{codepurple},
-    basicstyle = \footnotesize\ttfamily,
-    breakatwhitespace = false, 
-    breaklines = true, 
-    captionpos = b, 
-    keepspaces = true,
-    numbers = none,
-    showspaces = false,
-    showstringspaces = true,
-    showtabs = false,
-    tabsize = 3
-}
-\lstset{style=mystyle}
-\lstset{language=Python}
-
-\NewDocumentEnvironment{descriptionlist}{}{%
-    \begin{description}[labelindent=1em]
-}{
-    \end{description}%
-}
-\setlength{\parindent}{0pt}
-\renewcommand*{\marginfont}{\color{gray}\footnotesize}
-\renewcommand*\chapterpagestyle{scrheadings} % Header in chapter pages
-
-\theoremstyle{definition}
-\newtheorem{theorem}{Theorem}[section]
-\newtheorem{corollary}{Corollary}[theorem]
-\newtheorem{lemma}[theorem]{Lemma}
-\newtheorem*{example}{Example}
-\theoremstyle{definition}
-\newtheorem*{definition}{Def}
-
-\newcommand{\ubar}[1]{\text{\b{$#1$}}}
-\renewcommand{\vec}[1]{{\bm{\mathbf{#1}}}}
-\newcommand{\nullvec}[0]{\bar{\vec{0}}}
-\newcommand{\matr}[1]{{\bm{#1}}}
-\newcommand{\prob}[1]{{\mathcal{P}\left({#1}\right)}}
-
-
-\renewcommand*{\maketitle}{%
-    \begin{titlepage}
-    \newgeometry{margin=3cm}
-        \centering
-        \vspace*{\fill}
-        \huge
-        \textbf{\@title}\\
-        {\Large Last update: {11 November 2023}}
-        \vspace*{\fill}
-
-        \Large
-        Academic Year \@date\\
-        Alma Mater Studiorum $\cdot$ University of Bologna
-        \vspace*{1cm}
-    \restoregeometry
-    \end{titlepage}
-    \newpage
-}
-
-
-\newcommand*{\makenotesfront}{%
-    \newgeometry{margin=3cm}
-    \maketitle
-    \pagenumbering{roman}
-    \tableofcontents
-    \restoregeometry
-    \newpage
-    \pagenumbering{arabic}
-}
-
-
-\newcommand{\eoc}[0]{\begin{flushright}\texttt{\raggedleft\small <end of course>}\end{flushright}}
\ No newline at end of file
diff --git a/src/fundamentals-of-ai-and-kr/module3/ainotes.cls b/src/fundamentals-of-ai-and-kr/module3/ainotes.cls
new file mode 120000
index 0000000..146fd3c
--- /dev/null
+++ b/src/fundamentals-of-ai-and-kr/module3/ainotes.cls
@@ -0,0 +1 @@
+../../ainotes.cls
\ No newline at end of file
diff --git a/src/languages-and-algorithms-for-ai/module2/ainotes.cls b/src/languages-and-algorithms-for-ai/module2/ainotes.cls
deleted file mode 100644
index 18f01ab..0000000
--- a/src/languages-and-algorithms-for-ai/module2/ainotes.cls
+++ /dev/null
@@ -1,105 +0,0 @@
-\NeedsTeXFormat{LaTeX2e}[]
-\ProvidesClass{ainotes}
-
-\LoadClass{scrreprt}
-
-
-\usepackage{geometry}
-\usepackage{graphicx, xcolor}
-\usepackage{amsmath, amsfonts, amssymb, amsthm, mathtools, bm, upgreek, cancel}
-\usepackage[pdfusetitle]{hyperref}
-\usepackage[nameinlink]{cleveref}
-\usepackage[all]{hypcap} % Links hyperref to object top and not caption
-\usepackage[inline]{enumitem}
-\usepackage{marginnote}
-\usepackage[bottom]{footmisc}
-\usepackage{scrlayer-scrpage}
-\usepackage{scrhack, algorithm, listings}
-\usepackage{array, makecell, multirow}
-\usepackage{acro}
-\usepackage{subcaption}
-\usepackage{eurosym}
-\usepackage{bussproofs} % Deductive tree
-
-\geometry{ margin=3cm, lmargin=1.5cm, rmargin=4.5cm, marginparwidth=3cm }
-\hypersetup{ colorlinks, citecolor=black, filecolor=black, linkcolor=black, urlcolor=black, linktoc=all }
-
-\definecolor{codegreen}{rgb}{0,0.6,0}
-\definecolor{codegray}{rgb}{0.5,0.5,0.5}
-\definecolor{codepurple}{rgb}{0.58,0,0.82}
-\definecolor{backcolour}{rgb}{0.95,0.95,0.92}
-\lstdefinestyle{mystyle}{
-    commentstyle = \color{codegreen},
-    keywordstyle = \color{magenta},
-    numberstyle = \tiny\color{codegray},
-    stringstyle = \color{codepurple},
-    basicstyle = \footnotesize\ttfamily,
-    breakatwhitespace = false, 
-    breaklines = true, 
-    captionpos = b, 
-    keepspaces = true,
-    numbers = none,
-    showspaces = false,
-    showstringspaces = true,
-    showtabs = false,
-    tabsize = 3
-}
-\lstset{style=mystyle}
-\lstset{language=Python}
-
-\NewDocumentEnvironment{descriptionlist}{}{%
-    \begin{description}[labelindent=1em]
-}{
-    \end{description}%
-}
-\setlength{\parindent}{0pt}
-\renewcommand*{\marginfont}{\color{gray}\footnotesize}
-\renewcommand*\chapterpagestyle{scrheadings} % Header in chapter pages
-
-\theoremstyle{definition}
-\newtheorem{theorem}{Theorem}[section]
-\newtheorem{corollary}{Corollary}[theorem]
-\newtheorem{lemma}[theorem]{Lemma}
-\newtheorem*{example}{Example}
-\theoremstyle{definition}
-\newtheorem*{definition}{Def}
-
-\newcommand{\ubar}[1]{\text{\b{$#1$}}}
-\renewcommand{\vec}[1]{{\bm{\mathbf{#1}}}}
-\newcommand{\nullvec}[0]{\bar{\vec{0}}}
-\newcommand{\matr}[1]{{\bm{#1}}}
-\newcommand{\prob}[1]{{\mathcal{P}\left({#1}\right)}}
-
-
-\renewcommand*{\maketitle}{%
-    \begin{titlepage}
-    \newgeometry{margin=3cm}
-        \centering
-        \vspace*{\fill}
-        \huge
-        \textbf{\@title}\\
-        {\Large Last update: {10 novembre 2023}}
-        \vspace*{\fill}
-
-        \Large
-        Academic Year \@date\\
-        Alma Mater Studiorum $\cdot$ University of Bologna
-        \vspace*{1cm}
-    \restoregeometry
-    \end{titlepage}
-    \newpage
-}
-
-
-\newcommand*{\makenotesfront}{%
-    \newgeometry{margin=3cm}
-    \maketitle
-    \pagenumbering{roman}
-    \tableofcontents
-    \restoregeometry
-    \newpage
-    \pagenumbering{arabic}
-}
-
-
-\newcommand{\eoc}[0]{\begin{flushright}\texttt{\raggedleft\small <end of course>}\end{flushright}}
\ No newline at end of file
diff --git a/src/languages-and-algorithms-for-ai/module2/ainotes.cls b/src/languages-and-algorithms-for-ai/module2/ainotes.cls
new file mode 120000
index 0000000..146fd3c
--- /dev/null
+++ b/src/languages-and-algorithms-for-ai/module2/ainotes.cls
@@ -0,0 +1 @@
+../../ainotes.cls
\ No newline at end of file
diff --git a/src/machine-learning-and-data-mining/ainotes.cls b/src/machine-learning-and-data-mining/ainotes.cls
deleted file mode 100644
index 38f7138..0000000
--- a/src/machine-learning-and-data-mining/ainotes.cls
+++ /dev/null
@@ -1,105 +0,0 @@
-\NeedsTeXFormat{LaTeX2e}[]
-\ProvidesClass{ainotes}
-
-\LoadClass{scrreprt}
-
-
-\usepackage{geometry}
-\usepackage{graphicx, xcolor}
-\usepackage{amsmath, amsfonts, amssymb, amsthm, mathtools, bm, upgreek, cancel}
-\usepackage[pdfusetitle]{hyperref}
-\usepackage[nameinlink]{cleveref}
-\usepackage[all]{hypcap} % Links hyperref to object top and not caption
-\usepackage[inline]{enumitem}
-\usepackage{marginnote}
-\usepackage[bottom]{footmisc}
-\usepackage{scrlayer-scrpage}
-\usepackage{scrhack, algorithm, listings}
-\usepackage{array, makecell, multirow}
-\usepackage{acro}
-\usepackage{subcaption}
-\usepackage{eurosym}
-\usepackage{bussproofs} % Deductive tree
-
-\geometry{ margin=3cm, lmargin=1.5cm, rmargin=4.5cm, marginparwidth=3cm }
-\hypersetup{ colorlinks, citecolor=black, filecolor=black, linkcolor=black, urlcolor=black, linktoc=all }
-
-\definecolor{codegreen}{rgb}{0,0.6,0}
-\definecolor{codegray}{rgb}{0.5,0.5,0.5}
-\definecolor{codepurple}{rgb}{0.58,0,0.82}
-\definecolor{backcolour}{rgb}{0.95,0.95,0.92}
-\lstdefinestyle{mystyle}{
-    commentstyle = \color{codegreen},
-    keywordstyle = \color{magenta},
-    numberstyle = \tiny\color{codegray},
-    stringstyle = \color{codepurple},
-    basicstyle = \footnotesize\ttfamily,
-    breakatwhitespace = false, 
-    breaklines = true, 
-    captionpos = b, 
-    keepspaces = true,
-    numbers = none,
-    showspaces = false,
-    showstringspaces = true,
-    showtabs = false,
-    tabsize = 3
-}
-\lstset{style=mystyle}
-\lstset{language=Python}
-
-\NewDocumentEnvironment{descriptionlist}{}{%
-    \begin{description}[labelindent=1em]
-}{
-    \end{description}%
-}
-\setlength{\parindent}{0pt}
-\renewcommand*{\marginfont}{\color{gray}\footnotesize}
-\renewcommand*\chapterpagestyle{scrheadings} % Header in chapter pages
-
-\theoremstyle{definition}
-\newtheorem{theorem}{Theorem}[section]
-\newtheorem{corollary}{Corollary}[theorem]
-\newtheorem{lemma}[theorem]{Lemma}
-\newtheorem*{example}{Example}
-\theoremstyle{definition}
-\newtheorem*{definition}{Def}
-
-\newcommand{\ubar}[1]{\text{\b{$#1$}}}
-\renewcommand{\vec}[1]{{\bm{\mathbf{#1}}}}
-\newcommand{\nullvec}[0]{\bar{\vec{0}}}
-\newcommand{\matr}[1]{{\bm{#1}}}
-\newcommand{\prob}[1]{{\mathcal{P}\left({#1}\right)}}
-
-
-\renewcommand*{\maketitle}{%
-    \begin{titlepage}
-    \newgeometry{margin=3cm}
-        \centering
-        \vspace*{\fill}
-        \huge
-        \textbf{\@title}\\
-        {\Large Last update: {12 novembre 2023}}
-        \vspace*{\fill}
-
-        \Large
-        Academic Year \@date\\
-        Alma Mater Studiorum $\cdot$ University of Bologna
-        \vspace*{1cm}
-    \restoregeometry
-    \end{titlepage}
-    \newpage
-}
-
-
-\newcommand*{\makenotesfront}{%
-    \newgeometry{margin=3cm}
-    \maketitle
-    \pagenumbering{roman}
-    \tableofcontents
-    \restoregeometry
-    \newpage
-    \pagenumbering{arabic}
-}
-
-
-\newcommand{\eoc}[0]{\begin{flushright}\texttt{\raggedleft\small <end of course>}\end{flushright}}
\ No newline at end of file
diff --git a/src/machine-learning-and-data-mining/ainotes.cls b/src/machine-learning-and-data-mining/ainotes.cls
new file mode 120000
index 0000000..c22704b
--- /dev/null
+++ b/src/machine-learning-and-data-mining/ainotes.cls
@@ -0,0 +1 @@
+../ainotes.cls
\ No newline at end of file
diff --git a/src/statistical-and-mathematical-methods-for-ai/ainotes.cls b/src/statistical-and-mathematical-methods-for-ai/ainotes.cls
deleted file mode 100644
index 3852acd..0000000
--- a/src/statistical-and-mathematical-methods-for-ai/ainotes.cls
+++ /dev/null
@@ -1,105 +0,0 @@
-\NeedsTeXFormat{LaTeX2e}[]
-\ProvidesClass{ainotes}
-
-\LoadClass{scrreprt}
-
-
-\usepackage{geometry}
-\usepackage{graphicx, xcolor}
-\usepackage{amsmath, amsfonts, amssymb, amsthm, mathtools, bm, upgreek, cancel}
-\usepackage[pdfusetitle]{hyperref}
-\usepackage[nameinlink]{cleveref}
-\usepackage[all]{hypcap} % Links hyperref to object top and not caption
-\usepackage[inline]{enumitem}
-\usepackage{marginnote}
-\usepackage[bottom]{footmisc}
-\usepackage{scrlayer-scrpage}
-\usepackage{scrhack, algorithm, listings}
-\usepackage{array, makecell, multirow}
-\usepackage{acro}
-\usepackage{subcaption}
-\usepackage{eurosym}
-\usepackage{bussproofs} % Deductive tree
-
-\geometry{ margin=3cm, lmargin=1.5cm, rmargin=4.5cm, marginparwidth=3cm }
-\hypersetup{ colorlinks, citecolor=black, filecolor=black, linkcolor=black, urlcolor=black, linktoc=all }
-
-\definecolor{codegreen}{rgb}{0,0.6,0}
-\definecolor{codegray}{rgb}{0.5,0.5,0.5}
-\definecolor{codepurple}{rgb}{0.58,0,0.82}
-\definecolor{backcolour}{rgb}{0.95,0.95,0.92}
-\lstdefinestyle{mystyle}{
-    commentstyle = \color{codegreen},
-    keywordstyle = \color{magenta},
-    numberstyle = \tiny\color{codegray},
-    stringstyle = \color{codepurple},
-    basicstyle = \footnotesize\ttfamily,
-    breakatwhitespace = false, 
-    breaklines = true, 
-    captionpos = b, 
-    keepspaces = true,
-    numbers = none,
-    showspaces = false,
-    showstringspaces = true,
-    showtabs = false,
-    tabsize = 3
-}
-\lstset{style=mystyle}
-\lstset{language=Python}
-
-\NewDocumentEnvironment{descriptionlist}{}{%
-    \begin{description}[labelindent=1em]
-}{
-    \end{description}%
-}
-\setlength{\parindent}{0pt}
-\renewcommand*{\marginfont}{\color{gray}\footnotesize}
-\renewcommand*\chapterpagestyle{scrheadings} % Header in chapter pages
-
-\theoremstyle{definition}
-\newtheorem{theorem}{Theorem}[section]
-\newtheorem{corollary}{Corollary}[theorem]
-\newtheorem{lemma}[theorem]{Lemma}
-\newtheorem*{example}{Example}
-\theoremstyle{definition}
-\newtheorem*{definition}{Def}
-
-\newcommand{\ubar}[1]{\text{\b{$#1$}}}
-\renewcommand{\vec}[1]{{\bm{\mathbf{#1}}}}
-\newcommand{\nullvec}[0]{\bar{\vec{0}}}
-\newcommand{\matr}[1]{{\bm{#1}}}
-\newcommand{\prob}[1]{{\mathcal{P}\left({#1}\right)}}
-
-
-\renewcommand*{\maketitle}{%
-    \begin{titlepage}
-    \newgeometry{margin=3cm}
-        \centering
-        \vspace*{\fill}
-        \huge
-        \textbf{\@title}\\
-        {\Large Last update: {18 ottobre 2023}}
-        \vspace*{\fill}
-
-        \Large
-        Academic Year \@date\\
-        Alma Mater Studiorum $\cdot$ University of Bologna
-        \vspace*{1cm}
-    \restoregeometry
-    \end{titlepage}
-    \newpage
-}
-
-
-\newcommand*{\makenotesfront}{%
-    \newgeometry{margin=3cm}
-    \maketitle
-    \pagenumbering{roman}
-    \tableofcontents
-    \restoregeometry
-    \newpage
-    \pagenumbering{arabic}
-}
-
-
-\newcommand{\eoc}[0]{\begin{flushright}\texttt{\raggedleft\small <end of course>}\end{flushright}}
\ No newline at end of file
diff --git a/src/statistical-and-mathematical-methods-for-ai/ainotes.cls b/src/statistical-and-mathematical-methods-for-ai/ainotes.cls
new file mode 120000
index 0000000..c22704b
--- /dev/null
+++ b/src/statistical-and-mathematical-methods-for-ai/ainotes.cls
@@ -0,0 +1 @@
+../ainotes.cls
\ No newline at end of file