Ideas from 'Reals by Abstraction' by Bob Hale [1998], by Theme Structure
[found in 'The Reason's Proper Study' by Hale,B/Wright,C [OUP 2003,9780199266326]].
Click on the Idea Number for the full details 
back to texts

expand this idea
6. Mathematics / A. Nature of Mathematics / 3. Numbers / g. Real numbers
10632

The real numbers may be introduced by abstraction as ratios of quantities
