Derivative

Androma

Home

Return to the main page

Pages

Browse all wiki pages

Theorems

Mathematical theorems & proofs

Notation

Symbol & convention glossary

Areas of Mathematics

Explore mathematical fields

Discussions

Community conversations

Quick Links

Study TeX Projects Learn Events Papers Advanced Search Documentation Review Queue Blog Notes Organizations Research Groups

Derivative

Feedback
Sign in Register

Sign in to Androma

We’ll send a one-time code to your email — no passwords, ever.

Continue with Google Continue with ORCID

or with email

Email address

Passwordless. Each sign-in is verified by a 6-digit code.

Check your inbox

We sent a 6-digit code to . Enter it below to continue.

–

Didn’t get it? ·

One last step

Tell us how you’d like to appear on Androma. You can change your name later, but your handle is permanent.

Your name

Shown on your profile and next to every page or theorem you contribute.

Handle

androma.org/u/

3–20 characters. Letters, numbers, hyphens, underscores. Cannot be changed.

I agree to the Terms of Service and Privacy Policy, and that my contributions will be licensed under CC BY-SA 4.0.

Androma

Quick setup

What brings you to Androma?

Pick the closest answer and we will show the parts of the platform most likely to matter first. You can use everything either way.

Learning math

Recommended start

Start with a route through the knowledge graph.

Androma connects pages, theorems, notes, and practice so the next useful thing is never far away.

Start with this Show me everything

This only chooses your first stop. Androma does not lock features by role, and you can come back to any area whenever you like.

Live shape of the platform

Search: compactness in metric spaces

Heine-Borel Theorem

A theorem page links definitions, prerequisites, proofs, and nearby ideas into one navigable object.

1Find a page or theorem

2Follow the prerequisite trail

3Save it to study

4Discuss or contribute

A wiki that behaves like a workspace.

Read, write, teach, discuss, and revise around the same mathematical objects instead of scattering context across separate tools.

Derivative / Pull Requests / #6

Hope #6

Merged Content admin opened this pull request on May 15, 2025

Loading comments...

Sign in to comment on this pull request.

Changes to Content

Original Content

Test <div class="theorem-box"> <b>Defn</b>(Vector space) A vector space is .... </div> # Test More after thingc a a new contribution from a pull request New one

Proposed Changes

Test <div class="theorem-box"> <b>Defn</b>(Vector space) A vector space is .... </div> # Test More after thingc a a new contribution from a pull request New one. And this is pull

Computing diff...

1 modified 0 added 0 removed 5 unchanged

5 unchanged blocks text, text, text, text, text

text

Test

text

<div class="theorem-box"> <b>Defn</b>(Vector space) A vector space is .... </div>

text

# Test

text

More after thingc a

text

a new contribution from a pull request

Modified text

Original

New one

Proposed

New one. And this is pull

Reviewers

No reviewers yet

Labels

None yet

Related Page

Notifications

You're not receiving notifications.

Sign in to subscribe

Participants

Thread

0 replies

Delete comment

Are you sure you want to delete this comment? This cannot be undone.

Merge pull request

Are you sure you want to merge this pull request? The proposed changes will be applied to the page.

Explore

All Pages
Theorems
Math Areas
Study
Search

Create

New Page
New Theorem
Papers

Community

Discussions
Research Groups
Events

Resources

Project Status
Documentation
GitHub

More ways to explore: Browse all pages or explore by area.

© 2026 Androma. All rights reserved.

Privacy Policy Terms of Use Licenses Site Map

Home Messages Schedule Study Profile