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fallacy of composition

Reasoning that what is true of each part must be true of the whole.

The fallacy of composition concludes that a whole has a property because each of its parts has it. Some properties do pass from parts to wholes, but many (being light, being cheap, being small) do not.

Examples

  • "Every player on this team is excellent, so the team is excellent." Players who each shine can still play badly together.

See also

fallacy of division
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