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Single Idea 14083

[filed under theme 6. Mathematics / B. Foundations for Mathematics / 7. Mathematical Structuralism / e. Structuralism critique ]

Full Idea

Against extreme views that all mathematical objects depend on the structures to which they belong, or that none do, I defend a compromise view, that structuralists are right about algebraic objects (roughly), but anti-structuralists are right about sets.

Gist of Idea

Structuralism is right about algebra, but wrong about sets

Source

Øystein Linnebo (Structuralism and the Notion of Dependence [2008], Intro)

Book Ref

-: 'The Philosophical Quarterly' [-], p.59


The 9 ideas from 'Structuralism and the Notion of Dependence'

Structuralism is right about algebra, but wrong about sets [Linnebo]
'Deductivist' structuralism is just theories, with no commitment to objects, or modality [Linnebo]
Non-eliminative structuralism treats mathematical objects as positions in real abstract structures [Linnebo]
'Modal' structuralism studies all possible concrete models for various mathematical theories [Linnebo]
'Set-theoretic' structuralism treats mathematics as various structures realised among the sets [Linnebo]
An 'intrinsic' property is either found in every duplicate, or exists independent of all externals [Linnebo]
In mathematical structuralism the small depends on the large, which is the opposite of physical structures [Linnebo]
Structuralism differs from traditional Platonism, because the objects depend ontologically on their structure [Linnebo]
There may be a one-way direction of dependence among sets, and among natural numbers [Linnebo]