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Search engines decide what counts as knowing. The field that studies knowing was never asked.

What makes a belief knowledge, who may say what is true, and what happens when a system takes that role.

On this page

What it is
Epistemology asks what makes a belief knowledge and who may say what is true.
The problem until now
Search engines and answer systems took over that role, and the older answers were never applied to them.
What you can do from here
You can judge which claims deserve reliance, and see what a page must show before a reader, or a machine, is entitled to rely on it.
Epistemology: a claim rests on evidence, evidence is weighed, judgement becomes reliance
Epistemology: How the parts depend on each other.

Try this first

Three tests, about ten minutes. They show when a claim deserves reliance.

Tests on this page you have run: 0 of 3. The count stays in this browser only.

Test: Epistemology

  1. Ask an assistant a question you would normally put to an expert.
  2. Note the answer in your own words.
  3. Think: would you act on the answer without checking it, and why?

When relying on a claim is justified.

Test

  1. Take one claim from your own site and ask what would make a stranger believe it.
  2. Put it aside for a moment.
  3. Think: does the page show that, or only assert it?

What a page must show to be believed.

Test

  1. Search a contested question in your field and open two results that disagree.
  2. Put them aside.
  3. Think: what would settle it, and does either page offer that?

How a disagreement is decided, or left open.

Epistemology asks what has to hold before something counts as known: what evidence is, what justifies a belief, who may assert without proof, and how a person without the expertise decides whom to believe. It has worked on those questions for two and a half thousand years.

Subjects in this field

Epistemic authorityWho may say what is true, and what happens when a machine takes that role.Epistemic trustThe readiness to accept what you are told, and what shapes it.EvidenceWhat counts as proof, and the machinery that decides it.CredibilityHow a listener decides a statement counts, and what rhetoric leaves unexamined.CoherenceWhether statements hold together, and whether that is a reason to believe them.VerificationWhether a statement can be shown true, and what replaced the attempt.FalsificationRefutation as the engine of knowledge, and the ways it is evaded.HermeneuticsThe theory of interpretation, applied to machines that read before people do.

A search engine answers them every second. It decides which sources count, which claims are shown, and which are not shown at all. An answer system goes further and writes the claim itself, with no warrant offered and none asked for.

The eight subjects below are the parts of that field which bear on search directly. Each one states what is settled, names what the usual treatment leaves out, and answers the questions that follow.

Last revised 2026-09-16.

Everything in this field, on one screen

Each point is a page of epistemology. Drag, zoom, and click a point to open that page. The whole site is drawn on the knowledge graph.

Epistemology

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