When Rational Reasoners Reason Differently

Authors
Michael Titelbaum
University of Wisconsin, Madison
Matthew Kopec
Australian National University
Abstract
Different people reason differently, which means that sometimes they reach different conclusions from the same evidence. We maintain that this is not only natural, but rational. In this essay we explore the epistemology of that state of affairs. First we will canvass arguments for and against the claim that rational methods of reasoning must always reach the same conclusions from the same evidence. Then we will consider whether the acknowledgment that people have divergent rational reasoning methods should undermine one’s confidence in one’s own reasoning. Finally we will explore how agents who employ distinct yet equally rational methods of reasoning should respond to interactions with the products of each others’ reasoning. We find that the epistemology of multiple reasoning methods has been misunderstood by a number of authors writing on epistemic permissiveness and peer disagreement.
Keywords Rationality  Reasoning  Evidence  Uniqueness  Permissivism  Disagreement  Epistemic standards
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References found in this work BETA

The View From Nowhere.Thomas Nagel - 1986 - Oxford University Press.
The Structure of Scientific Revolutions.Thomas S. Kuhn - 1962 - University of Chicago Press.
Truth and Objectivity.Crispin Wright - 1992 - Harvard University Press.
The Foundations of Statistics.Leonard J. Savage - 1954 - Wiley Publications in Statistics.

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