| Display title | Section (category theory) |
| Default sort key | Section (category theory) |
| Page length (in bytes) | 6,327 |
| Namespace ID | 0 |
| Page ID | 219109 |
| Page content language | en - English |
| Page content model | wikitext |
| Indexing by robots | Allowed |
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| Counted as a content page | Yes |
| Page image |  |
| HandWiki item ID | None |
| Edit | Allow all users (infinite) |
| Move | Allow all users (infinite) |
| Page creator | imported>John Stpola |
| Date of page creation | 22:23, 8 February 2024 |
| Latest editor | imported>John Stpola |
| Date of latest edit | 22:23, 8 February 2024 |
| Total number of edits | 1 |
| Recent number of edits (within past 90 days) | 0 |
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Description | Content |
Article description: (description)
This attribute controls the content of the description and og:description elements. | In category theory, a branch of mathematics, a section is a right inverse of some morphism. Dually, a retraction is a left inverse of some morphism.
In other words, if $ f:X\to Y $ and $ g:Y\to X $ are morphisms whose composition $ f\circ g:Y\to Y $ is the identity morphism on $ Y $, then $ g $ is a... |
