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The Fallacy of Composition in Critical Thinking

The fallacy of composition is an informal logical fallacy in which one infers, without sufficient justification, that a whole must possess a quality because its constituent parts possess that quality. As an informal fallacy, its defect lies in the content of the argument rather than its logical form, distinguishing it from formal fallacies. It belongs to the domain of critical thinking and informal logic, within the broader study of argumentation and reasoning errors.