Signs as a Theme in the Philosophy of Mathematical Practice

David Waszek
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David Waszek: ITEM, Ecole Normale Supérieure

A chapter in Handbook of the History and Philosophy of Mathematical Practice, 2024, pp 2971-3001 from Springer

Abstract: Abstract Why study notations, diagrams, or more broadly the variety of nonverbal “representations” or “signs” that are used in mathematical practice? This chapter maps out recent work on the topic by distinguishing three main philosophical motivations for doing so. First, some work (like that on diagrammatic reasoning) studies signs to recover norms of informal or historical mathematical practices that would get lost if the particular signs that these practices rely on were translated away; work in this vein has the potential to broaden our view of the specific normativity of mathematics beyond logical proof. Second, some work focuses on signs to highlight the open-ended and “nonrigorous” aspects of mathematical practice, and the role of these aspects in the historical development of mathematics. The third motivation is based on the following observation: the reason differences in signs matter in mathematics is that humans are finite agents, with cognitive and computational limitations. Accordingly, studying signs can be a way to study how human computational constraints shape the mathematics that we do, and to tackle the topic of mathematical understanding.

Keywords: Representations; Signs; Notations; Diagrams; Mathematical proof; Heuristics; Computational limitations (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/978-3-031-40846-5_66

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