The heuristic described as “the simplest solution requiring the fewest assumptions” is Occam’s Razor.

What Occam’s Razor Means

Occam’s Razor is a reasoning principle that tells you to prefer the explanation that uses the fewest assumptions while still fitting the facts. In plain terms: if two explanations both work, choose the simpler one that adds less extra “stuff” or speculation.

Why It’s Considered a Heuristic

  • It is a rule of thumb for thinking and problem solving, not a guaranteed law of nature.
  • It guides decisions in science, philosophy, and everyday reasoning by nudging people toward cleaner, less ad‑hoc explanations.

Quick Everyday Example

  • If you hear hoofbeats in a city park, horses are a simpler assumption than zebras, unless you have specific evidence for zebras.
  • Both are possible, but the horse explanation assumes less that is unusual or extra, so Occam’s Razor would favor it.

TL;DR: The heuristic that favors “the simplest solution with the fewest assumptions” is Occam’s Razor.

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