Math 2.0

Category theory; homological algebra Limits and colimits Concept

Finitely complete category

Summary

A finitely complete category is a category in which every finite diagram has a limit. Equivalently, it has a terminal object and all pullbacks. Finite limits are enough for much of category theory, such as internal groups, regular categories and elementary toposes. Every complete category is finitely complete.

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Further reading

  1. Web https://en.wikipedia.org/wiki/Complete_category
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Changed2 November 2026

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