[taos-glug] Courant & Robbins; I'm also enjoying Chapter 2, at least . . .

. . . so far.   But I skipped the entire section on interval arithmetic
and especially Ex. 2.16, in view of the authors' warning).

I enjoyed, by the way, Exercise 2.5, where you have to represent pairs
as integers.

It reminded me of an interesting chapter in a book called "What Is Mathematics?"
by Courant and Robbins.

In that book, there is a description of Cantor's proofs of the "denumerability" 
on the
"rational" numbers, and the "non-denumerability" of the "real" numbers.

Some of the other chapters of that book also seem to me to related to topics
in SICP, for example the "continued fractions" of Exercise 1.37.

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