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Fallacy Library Fallacy of Composition and Division
Informal fallacy Commonly Used Fallacy

Fallacy of Composition and Division

Improperly transfers a property from parts to the whole, or from the whole to the parts.

Definition

Improperly transfers a property from parts to the whole, or from the whole to the parts.

Example
Because the neighborhood is expensive, every item sold in every shop there must be expensive.
Extended explanation

How to think about it:

Improperly transfers a property from parts to the whole, or from the whole to the parts. In practice, the key question is whether the conclusion is supported by evidence and logic, or whether it depends on this reasoning shortcut instead.

Related entries

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