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deduction

deduction Deduction is a form of indirect reasoning in which the conclusion is presented as necessarily following from the given propositions when their meaning and connection are understood.

Deduction is a form of indirect reasoning in which the conclusion is presented as necessarily following from the given propositions when their meaning and connection are understood. The term may refer to the mental process of working out that result, the relation between the starting points and the conclusion, or the conclusion itself.

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Sources

Drafting source: Baldwin Dictionary of Philosophy and Psychology, 1901. 1901 New York Macmillan original; archive index checked 2026-10-18. “Deduction” (Deduction).
public-domain-US · Definition uses new wording; original source retains its stated licence. · Source snapshot SHA-256: 08d41be0452624d395f90f1dd42283fbb21304db9914d3e91ed61f0786ef092b

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PsychTerms (psychterms.org), CC BY 4.0, version 1. “deduction.” Development preview.

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