The content is OK, but--
by pollkatz on February 28, 2013the English is atrocious. I understand that the author's first language is not English -- I place the blame on the publisher for not hiring a competent (or, indeed, any) proofreader. There's at least one mistake on every page. Most of the time, it's merely annoying, but often enough, the precise meaning is obscured. This is a problem in a math book.
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