Skip to content

Added Odd Weird Number Conjecture#3498

Open
eyang07 wants to merge 4 commits intogoogle-deepmind:mainfrom
eyang07:issue-2250-odd-weird-numbers
Open

Added Odd Weird Number Conjecture#3498
eyang07 wants to merge 4 commits intogoogle-deepmind:mainfrom
eyang07:issue-2250-odd-weird-numbers

Conversation

@eyang07
Copy link

@eyang07 eyang07 commented Mar 9, 2026

Fixes #2250

@google-cla
Copy link

google-cla bot commented Mar 9, 2026

Thanks for your pull request! It looks like this may be your first contribution to a Google open source project. Before we can look at your pull request, you'll need to sign a Contributor License Agreement (CLA).

View this failed invocation of the CLA check for more information.

For the most up to date status, view the checks section at the bottom of the pull request.

@eyang07
Copy link
Author

eyang07 commented Mar 9, 2026

I have now signed the CLA.

Copy link
Collaborator

@mo271 mo271 left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Thanks for the contribution!
A first remark about re-using stuff from Mathlib

Copy link
Collaborator

@mo271 mo271 left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

LGTM, thanks!
We already have that as Erdős problem 470, but it is still good to have here.

Potentially also good to add the wikipedia reference and oeis to the file in ErdosProblems!

@[category research open, AMS 11]
theorem existence_odd_weird :
answer(sorry) ↔ ∃ n : ℕ, n.Weird ∧ Odd n := by
sorry
Copy link
Collaborator

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Suggested change
sorry
theorem existence_odd_weird : type_of% Erdos.470.erdos_470.part1 := by
sorry

Comment on lines +17 to +18
import FormalConjectures.Util.ProblemImports

Copy link
Collaborator

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Suggested change
import FormalConjectures.Util.ProblemImports
import FormalConjectures.Util.ProblemImports
import FormalConjectures.ErdosProblems.«470»

This is already here, but still good to also have the wikipedia file!

@mo271 mo271 added the awaiting-author The author should answer a question or perform changes. Reply when done. label Mar 15, 2026
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Labels

awaiting-author The author should answer a question or perform changes. Reply when done. wikipedia

Projects

None yet

Development

Successfully merging this pull request may close these issues.

Existence of Odd Weird Numbers

3 participants