Single Idea 13888

[catalogued under 6. Mathematics / B. Foundations for Mathematics / 5. Definitions of Number / e. Caesar problem]

Full Idea

Identifying numbers with extensions will not solve the Caesar problem for numbers unless we have already solved the Caesar problem for extensions.

Gist of Idea

If numbers are extensions, Frege must first solve the Caesar problem for extensions

Source

Crispin Wright (Frege's Concept of Numbers as Objects [1983], 3.xiv)

Book Reference

Wright,Crispin: 'Frege's Conception of Numbers' [Scots Philosophical Monographs 1983], p.112


Related Idea

Idea 9046 Our definition will not tell us whether or not Julius Caesar is a number [Frege]