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Do Chairs Exist?

Vsauce · explainer · Watch on YouTube

Philosophy & ethicsRecreational & visual math

What it is

A Vsauce video exploring whether chairs exist, through metaphysics, mereology and the philosophy of categorizing objects. It runs about 38 minutes and cites academic work on ontology.

Why Hacker News recommends it

HN recommends it as an entertaining tour of how we define and categorize things, and it is cited when concept boundaries come up.

  • 6 people recommended it
  • 6 different months
  • 1 strong recommendations
  • first 2021, last 2025

What HN commenters said

  1. “I think it is worth spending the 40 minutes to watch the whole thing”

    Mereology video whose ending offered comfort about death

    axolotlgod, 2023-07 · Strong recommendation · in “Telling the Bees”

  2. “Sabine's lecture pairs nicely, I think, with a recent Vsauce episode asking "Do Chairs Exist".”

    Explores empiricism, pragmatism and subtleties of epistemology

    dredmorbius, 2021-10 · Recommendation · in “Flat Earth “Science” – Wrong, but not Stupid (2020) [video]”

  3. “all concepts are emergent behavior of “stuff.” There really isn’t a chair, but “stuff” arranged chair-wise.”

    Tours philosophical views on what makes a thing a chair, emergence

    samhain, 2021-12 · Recommendation · in “Psychedelics alter metaphysical beliefs”

  4. “it's basically an entertaining, whirlwind tour of the philosophy of categorizing and labeling things”

    Entertaining tour of philosophy of categorizing things and its limits

    yamtaddle, 2023-01 · Recommendation · in “US Marines Defeat DARPA Robot by Hiding Under a Cardboard Box”

  5. “Love this vsauce video for some examples”

    Examples of philosophy's value in structuring how we conceptualize reality

    crazydoggers, 2023-09 · Recommendation · in “Time Doesn’t Belong to Physics”

  6. “as good an excuse as any to point people to the Vsauce video "Do Chairs Exist?”

    Half-hour video on ontology of chairs

    throw0101b, 2025-05 · Recommendation · in “Chairs, Chairs, Chairs”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: metaphysics, mereology, philosophy, vsauce, categorization

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