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Fallacy Of Composition

September 22nd, 2009

Fallacy Of Composition

classification : informal

A conclusion about a whole based on the characteristics of its constituents.


Inferring from one characteristic that every part of a whole has a given property, or that the whole has that property.


The bicycle is made entirely of low mass components, and is therefore very lightweight.

A car creates less pollution than a bus. Therefore, cars are less of a pollution problem than buses.

Other Names:

Fallacy of Mediocrity

Sometimes confused with the fallacy of hasty generalization.

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Categories: Logic