The Critique of Pure Reason, Part 23 summary
Part 23 of 79 · Part 2: Transcendental Logic · 4 min to read the part
In Transition to the Transcendental Deduction of the Categories § 10, the speaker argues that categories necessarily apply to experienced objects because they make experience possible. By contrasting this account with Locke’s and David Hume’s empirical derivations, the speaker sets a task for deduction: justify necessary concepts while keeping reason within its legitimate bounds.
What happens
- The speaker distinguishes representations caused by objects from representations that make knowing objects possible.
- Experience requires both intuition and conception, so categories must ground its form of thought.
- A deduction must establish these necessary conditions; examining actual experiences can only illustrate them.
- Locke derives pure concepts from experience but uses them beyond it, while David Hume consistently limits their reach.
- The speaker proposes limits that avoid both unchecked speculation and skepticism.
- The category of substance fixes the body’s role as subject in experience, unlike the reversible roles in merely logical judgments.

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In this part
Quick check
Why is analyzing experiences insufficient as a deduction of the categories?
Cite this page
“The Critique of Pure Reason, Part 23 summary.” Library of Alexandria, 2026, libraryofalexandria.com/pages/the-critique-of-pure-reason-part-23-summary.
Library of Alexandria. (2026). The Critique of Pure Reason, Part 23 summary. https://libraryofalexandria.com/pages/the-critique-of-pure-reason-part-23-summary
“The Critique of Pure Reason, Part 23 summary.” Library of Alexandria, 2026. https://libraryofalexandria.com/pages/the-critique-of-pure-reason-part-23-summary.
@misc{the_critique_of_pure_reason_part_23_summary_2026,
title = {The Critique of Pure Reason, Part 23 summary},
publisher = {Library of Alexandria},
year = {2026},
url = {https://libraryofalexandria.com/pages/the-critique-of-pure-reason-part-23-summary}
}

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