A precise philosophical definition of the inductive argument that challenges the truth claims of modern science. 4 mins read.
To understand the pessimistic meta-induction, one must first understand what makes it a "meta" argument. It is not an induction about physical phenomena (such as observing that all swans are white), but rather an induction about the *human practice of science itself*. It takes our historical theories as data points and uses them to cast doubt on our current intellectual output.
The logical structure of the argument can be formalized as follows:
2. Subsequent scientific revolutions proved that the foundational ontological assumptions of T1, T2, and T3 were false.
3. Therefore, their empirical success did not guarantee their truth.
4. Our current theories (Tn) are also empirically successful and widely accepted.
5. Inductive conclusion: Tn is highly likely to be proven false in the future.
This formulation serves as a powerful weapon for scientific anti-realists, particularly instrumentalists, who argue that scientific theories should not be read as literal descriptions of unobservable reality. Instead, they argue that theories are merely "useful instruments" for organizing experiences, calculating data, and predicting future events. Under this view, a theory does not need to be "true" to be highly useful; it simply needs to save the appearances of the observable world.
Opponents of the meta-induction, such as Stathis Psillos, attempt to break this chain of reasoning by arguing that modern science is fundamentally different in its rigor and methodology than the science of the 18th century. However, the critic must ask: did not the scientists of the 18th century believe the exact same thing about their own era?
Referenced Works & Texts
- Larry Laudan, "A Confutation of Convergent Realism," Philosophy of Science, Vol. 48, No. 1 (1981). The classic paper that established the pessimistic induction in modern debate.
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