Chapter

Why is the Normativity of Logic Based on Rules?

Ahti-Veikko Pietarinen

in The Normative Thought of Charles S. Peirce

Published by Fordham University Press

Published in print August 2012 | ISBN: 9780823242443
Published online January 2013 | e-ISBN: 9780823250769 | DOI: http://dx.doi.org/10.5422/fordham/9780823242443.003.0008

Series: American Philosophy (FUP)

Why is the Normativity of Logic Based on Rules?

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According to Peirce, normative sciences are the “most purely theoretical of purely theoretical sciences.” At the same time, he takes logic to be a normative science. These two sentences form a highly interesting pair of assertions. Why is logic among the most purely theoretical sciences? What does it actually mean that logic is a normative science? This chapter answers these questions by addressing the question of why the normativity of logic is, as a matter of fact, based on rules.

Keywords: normative sciences; logic; theoretical science; normativity

Chapter.  5127 words. 

Subjects: Philosophy

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