[Merged by Bors] - chore(SetTheory/Cardinal/Basic): add sections structuring the file better #11603
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
This file is overly long: add some sections to structure the material better.
And tweak one line break to be more logical.
This raises some immediate ideas how to split this file
sets
section to a new filepowerlt
could (presumably) be splitdefs
All of these are out of scope of this PR.