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Single Idea 17625

[filed under theme 5. Theory of Logic / K. Features of Logics / 1. Axiomatisation ]

Full Idea

The fact that two apparently fruitful mathematical themes turn out to coincide makes it all the more likely that they're tracking a genuine strain of mathematical depth.

Gist of Idea

If two mathematical themes coincide, that suggest a single deep truth

Source

Penelope Maddy (Defending the Axioms [2011], 5.3ii)

Book Ref

Maddy,Penelope: 'Defending the Axioms' [OUP 2013], p.129


The 7 ideas from 'Defending the Axioms'

The Axiom of Choice paradoxically allows decomposing a sphere into two identical spheres [Maddy]
Hilbert's geometry and Dedekind's real numbers were role models for axiomatization [Maddy]
The connection of arithmetic to perception has been idealised away in modern infinitary mathematics [Maddy]
Every infinite set of reals is either countable or of the same size as the full set of reals [Maddy]
Critics of if-thenism say that not all starting points, even consistent ones, are worth studying [Maddy]
Set-theory tracks the contours of mathematical depth and fruitfulness [Maddy]
If two mathematical themes coincide, that suggest a single deep truth [Maddy]