Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

[Merged by Bors] - feat(category_theory/limits): dualise a limits result #2940

Closed
wants to merge 2 commits into from

Conversation

b-mehta
Copy link
Collaborator

@b-mehta b-mehta commented Jun 3, 2020

Add the dual of is_limit.of_cone_equiv.

@b-mehta b-mehta added the awaiting-review The author would like community review of the PR label Jun 3, 2020
@semorrison
Copy link
Collaborator

I couldn't resist, and followed up a little.

@semorrison
Copy link
Collaborator

bors d+

@bors
Copy link

bors bot commented Jun 3, 2020

✌️ b-mehta can now approve this pull request. To approve and merge a pull request, simply reply with bors r+. More detailed instructions are available here.

/-- The adjunction associated to a functor known to be a right adjoint. -/
def adjunction.of_right_adjoint (right : C ⥤ D) [is_right_adjoint right] :
adjunction (left_adjoint right) right :=
is_right_adjoint.adj
Copy link
Collaborator Author

Choose a reason for hiding this comment

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

Ahh this is a great idea

@b-mehta
Copy link
Collaborator Author

b-mehta commented Jun 3, 2020

bors r+

bors bot pushed a commit that referenced this pull request Jun 3, 2020
Add the dual of `is_limit.of_cone_equiv`.

Co-authored-by: Scott Morrison <scott@tqft.net>
@bors
Copy link

bors bot commented Jun 3, 2020

Pull request successfully merged into master.

Build succeeded:

@bors bors bot changed the title feat(category_theory/limits): dualise a limits result [Merged by Bors] - feat(category_theory/limits): dualise a limits result Jun 3, 2020
@bors bors bot closed this Jun 3, 2020
@bors bors bot deleted the cocone-equivalence branch June 3, 2020 16:03
@YaelDillies YaelDillies removed the awaiting-review The author would like community review of the PR label Nov 15, 2021
cipher1024 pushed a commit to cipher1024/mathlib that referenced this pull request Mar 15, 2022
…munity#2940)

Add the dual of `is_limit.of_cone_equiv`.

Co-authored-by: Scott Morrison <scott@tqft.net>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
None yet
Projects
None yet
Development

Successfully merging this pull request may close these issues.

None yet

3 participants