Advanced handouts

Add missing file
Co-authored-by: Mark <mark@betalupi.com>
Co-committed-by: Mark <mark@betalupi.com>

src/Advanced/Nonstandard Analysis/main.tex

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+% Copyright (C) 2023 <Mark (mark@betalupi.com)>
+%
+% This program is free software: you can redistribute it and/or modify
+% it under the terms of the GNU General Public License as published by
+% the Free Software Foundation, either version 3 of the License, or
+% (at your option) any later version.
+%
+% You may have received a copy of the GNU General Public License
+% along with this program. If not, see <https://www.gnu.org/licenses/>.
+%
+%
+%
+% If you edit this, please give credit!
+% Quality handouts take time to make.
+
+
+% use [nosolutions] flag to hide solutions.
+% use [solutions] flag to show solutions.
+\documentclass[
+	nosolutions,
+	singlenumbering,
+]{../../../lib/tex/ormc_handout}
+\usepackage{../../../lib/tex/macros}
+\usepackage{units}
+
+\uptitlel{Advanced 2}
+\uptitler{\smallurl{}}
+\title{Nonstandard Analysis}
+\subtitle{
+	Prepared by Mark on \today{} \\
+	Based on handouts by Nikita and Stepan
+}
+
+
+% This handout is pretty difficult. Make sure you can all solve all the problems yourself,
+% and remember that each SECTION was a two-hour lesson with a smart class.
+% From experience, the following holds:
+% supremum is a better lesson than dual numbers, which is better than extensions.
+
+
+\begin{document}
+
+	\maketitle
+
+	\input{parts/supremum}
+	\input{parts/dual}
+	\input{parts/extensions}
+
+\end{document}