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Single Idea 13018

[filed under theme 4. Formal Logic / F. Set Theory ST / 5. Conceptions of Set / f. Limitation of Size ]

Full Idea

The 'limitation of size' is a vague intuition, based on the idea that being too large may generate the paradoxes.

Gist of Idea

Limitation of Size is a vague intuition that over-large sets may generate paradoxes

Source

Penelope Maddy (Believing the Axioms I [1988], §1.3)

Book Ref

-: 'Journal of Symbolic Logic' [-], p.485


A Reaction

This is an intriguing idea to be found right at the centre of what is supposed to be an incredibly rigorous system.


The 11 ideas from 'Believing the Axioms I'

New axioms are being sought, to determine the size of the continuum [Maddy]
The Axiom of Extensionality seems to be analytic [Maddy]
Extensional sets are clearer, simpler, unique and expressive [Maddy]
The Iterative Conception says everything appears at a stage, derived from the preceding appearances [Maddy]
Limitation of Size is a vague intuition that over-large sets may generate paradoxes [Maddy]
The Axiom of Infinity states Cantor's breakthrough that launched modern mathematics [Maddy]
Infinite sets are essential for giving an account of the real numbers [Maddy]
The Power Set Axiom is needed for, and supported by, accounts of the continuum [Maddy]
Efforts to prove the Axiom of Choice have failed [Maddy]
Modern views say the Choice set exists, even if it can't be constructed [Maddy]
A large array of theorems depend on the Axiom of Choice [Maddy]