Mark/handouts
1
0
Fork 0
Code Pull Requests 1 Actions Packages Releases Activity

Fixed a few errors

Browse Source
This commit is contained in:
Mark
2023-01-23 16:11:45 -08:00
parent a632bf0029
commit 6761863358
3 changed files with 4 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
Advanced/Group Theory/parts/00 review.tex
View File

@ -70,11 +70,11 @@ Not all elements of $\mathbb{Z}_n$ have an inverse. Those that do are called \te
\vspace{2mm}
The set of all units in $\mathbb{Z}_n$ is written $(\mathbb{Z}_n)^\times$ \\
The set of all units in $\mathbb{Z}_n$ is written $\mathbb{Z}_n^\times$ \\
Read this as \say{$\mathbb{Z}$ mod $n$ cross}
\problem{}
What are the elements of $(\mathbb{Z}_5)^\times$?
What are the elements of $\mathbb{Z}_5^\times$?
\begin{solution}
$\{1, 2, 3, 4\}$