abduction

reason

Also known as: retroduction

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Last updated

June 17, 2026

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Abduction is a method of reasoning where a conclusion is formed based on the best available explanation for a set of observations. It's often described as a detective's approach to piecing together evidence to identify a criminal or solving everyday mysteries, like figuring out why a sandwich is half-eaten. This differs from deduction, which starts with general facts to reach a specific conclusion, and induction, which forms a general conclusion from specific instances. While abduction is a valid form of logical reasoning, the term "abduction" can also refer to the unlawful or forcible carrying away of a person or animal, and is sometimes associated with reports of alien abductions. However, psychologists often attribute experiences of alien abduction to phenomena like sleep paralysis rather than extraterrestrial visitors.1234

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philosophy of mind
Abduction
Another sort of nondeductive rationality that is indispensable to at least much of the higher intelligence displayed by human beings is reasoning to a conclusion that essentially contains terms not included in the premises. This typically occurs when someone gets a good idea about…
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Another sort of nondeductive rationality that is indispensable to at least much of the higher intelligence displayed by human beings is reasoning to a conclusion that essentially contains terms not included in the premises. This typically occurs when someone gets a good idea about…
Read More

Charles Sanders Peirce
Work in logic.
…referred to as “retroduction,” or “abduction,” the forming and accepting on probation of a hypothesis to explain surprising facts. His lifelong ambition was to establish abduction and induction firmly and permanently along with deduction in the very conception of logic—each of them clearly distinguished from the other two, yet positively…
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…referred to as “retroduction,” or “abduction,” the forming and accepting on probation of a hypothesis to explain surprising facts. His lifelong ambition was to establish abduction and induction firmly and permanently along with deduction in the very conception of logic—each of them clearly distinguished from the other two, yet positively…
Read More