diff --git a/Untitled.ipynb b/Untitled.ipynb
deleted file mode 100644
index 762b9076cb1b9bea7c00c0b7d2656ba43fe4f87b..0000000000000000000000000000000000000000
--- a/Untitled.ipynb
+++ /dev/null
@@ -1,43 +0,0 @@
-{
- "cells": [
-  {
-   "cell_type": "code",
-   "execution_count": 1,
-   "id": "a0564571-faf2-47f7-80b8-6b93da370de6",
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "# 12.3.1c"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "97f1a9eb-89f3-493e-a564-9ceed016b7ba",
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  }
- ],
- "metadata": {
-  "kernelspec": {
-   "display_name": "SageMath 10.2.beta9",
-   "language": "sage",
-   "name": "sagemath"
-  },
-  "language_info": {
-   "codemirror_mode": {
-    "name": "ipython",
-    "version": 3
-   },
-   "file_extension": ".py",
-   "mimetype": "text/x-python",
-   "name": "python",
-   "nbconvert_exporter": "python",
-   "pygments_lexer": "ipython3",
-   "version": "3.11.1"
-  }
- },
- "nbformat": 4,
- "nbformat_minor": 5
-}