Kerodon

$\Newextarrow{\xRightarrow}{5,5}{0x21D2}$ $\newcommand\empty{}$
$\Newextarrow{\xhookrightarrow}{10,10}{0x21AA}$

Comments on Proposition 1.1.1.9

Go back to the page of Proposition 1.1.1.9.

Comment #2006 by Alejandro González Nevado on

Hello, why is Kerodon not having the slogan add that the Stacks Project is having? These slogans are sometime very helpful for students.

Comment #2007 by Alejandro González Nevado on

Hello, why is Kerodon not having the slogan add that the Stacks Project is having? These slogans are sometime very helpful for students.

Comment #2021 by Timon on

I think that in the proof, the inequalities should be decreasing, as it is only possible to decrease an index by commuting it to the right. Furthermore, if , and =0, making in increasing inequalitiy chain impossible.

Comment #2031 by Kerodon on

Yep. Thanks!

Comment #2043 by Alexander Campbell on

should be , not .

Comment #2049 by Kerodon on

Yep. Thanks!

There are also:

  • 15 comment(s) on Chapter 1: The Language of $\infty $-Categories
  • 9 comment(s) on Section 1.1: Simplicial Sets

Post a comment

Your email address will not be published. Required fields are marked.

In your comment you can use Markdown and LaTeX style mathematics (enclose it like $\pi$). A preview option is available if you wish to see how it works out (just click on the eye in the toolbar).

Unfortunately JavaScript is disabled in your browser, so the comment preview function will not work.




In order to prevent bots from posting comments, we would like you to prove that you are human. You can do this by filling in the name of the current tag in the following input field. As a reminder, this is tag 04FQ. The letter 'O' is never used.