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Ideas of R Kaplan / E Kaplan, by Text

[American, fl. 2003, Husband and wife who have both taught mathematics at Harvard University.]

2003	The Art of the Infinite

1 'Mind'

p.25

15712

1 and 0, then add for naturals, subtract for negatives, divide for rationals, take roots for irrationals

1 'Nameless'

p.24

15711

The rationals are everywhere - the irrationals are everywhere else

2 'Intro'

p.29

15713

The first million numbers confirm that no number is greater than a million

2 'Tablets'

p.33

15714

'Commutative' laws say order makes no difference; 'associative' laws say groupings make no difference

2 'Tablets'

p.35

15715

'Distributive' laws say if you add then multiply, or multiply then add, you get the same result

9

p.256

15717

Using Choice, you can cut up a small ball and make an enormous one from the pieces