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Single Idea 10223

[filed under theme 6. Mathematics / B. Foundations for Mathematics / 7. Mathematical Structuralism / d. Platonist structuralism ]

Full Idea

There is no 'structure of all structures', just as there is no set of all sets.

Gist of Idea

There is no 'structure of all structures', just as there is no set of all sets

Source

Stewart Shapiro (Philosophy of Mathematics [1997], 3.4)

Book Ref

Shapiro,Stewart: 'Philosophy of Mathematics:structure and ontology' [OUP 1997], p.95


A Reaction

If one cannot abstract from all the structures to a higher level, why should Shapiro have abstracted from the systems/models to get the over-arching structures?


The 12 ideas with the same theme [structuralism with real objects or real structures]:

There are too many mathematical objects for them all to be mental or physical [Resnik]
Maths is pattern recognition and representation, and its truth and proofs are based on these [Resnik]
Congruence is the strongest relationship of patterns, equivalence comes next, and mutual occurrence is the weakest [Resnik]
Structuralism must explain why a triangle is a whole, and not a random set of points [Resnik]
Because one structure exemplifies several systems, a structure is a one-over-many [Shapiro]
There is no 'structure of all structures', just as there is no set of all sets [Shapiro]
Shapiro's structuralism says model theory (comparing structures) is the essence of mathematics [Shapiro, by Friend]
To see a structure in something, we must already have the idea of the structure [Brown,JR]
Universalist Structuralism is based on generalised if-then claims, not one particular model [Reck/Price]
Universalist Structuralism eliminates the base element, as a variable, which is then quantified out [Reck/Price]
Structuralism differs from traditional Platonism, because the objects depend ontologically on their structure [Linnebo]
'In re' structuralism says that the process of abstraction is pattern-spotting [Friend]