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A Mastermind player uses abduction to infer the secret colors (top) from summaries (bottom left) of discrepancies in their guesses (bottom right).. Abductive reasoning (also called abduction, [1] abductive inference, [1] or retroduction [2]) is a form of logical inference that seeks the simplest and most likely conclusion from a set of observations.
Argumentation schemes can include inferences based on different types of reasoning—deductive, inductive, abductive, probabilistic, etc. The study of argumentation schemes (under various names) dates back to the time of Aristotle , and today argumentation schemes are used for argument identification, argument analysis, argument evaluation, and ...
Other forms of reasoning are sometimes also taken to be part of logic, such as inductive reasoning and abductive reasoning, which are forms of reasoning that are not purely deductive, but include material inference. Similarly, it is important to distinguish deductive validity and inductive validity (called "strength").
With this reasoning, one statement could be "Every A is B" and another could be "This C is A". Those two statements could then lead to the conclusion that "This C is B". These types of syllogisms are used to test deductive reasoning to ensure there is a valid hypothesis. [29]
Abductive logic programming (ALP) is a high-level knowledge-representation framework that can be used to solve problems declaratively, based on abductive reasoning. It extends normal logic programming by allowing some predicates to be incompletely defined, declared as abducible predicates. Problem solving is effected by deriving hypotheses on ...
Doctors use abductive reasoning when investigating the symptoms of a patient to determine their underlying cause. Abductive reasoning plays a central role in science when researchers discover unexplained phenomena. In this case, they often resort to a form of guessing to come up with general principles that could explain the observations.
The duck test is a frequently cited colloquial example of abductive reasoning. Its usual expression is: If it looks like a duck, swims like a duck, and quacks like a duck, then it probably is a duck. The test implies that a person can identify an unknown subject by observing that subject's habitual characteristics.
The method comprises the study of explanations as well as arguments, including the form of argument called inference to the best explanation or abductive reasoning. The dialogue system is dynamic, meaning that it continually updates its database as new information comes in that is relevant to an argument being considered.