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Description
The Real Number SystemConcise but thorough and systematic, this categorical discussion of the real number system presents a series of step by step axioms, each illustrated by examples. The highly accessible text is suitable for readers at varying levels of knowledge and experience: advanced high school students and college undergraduates as well as prospective high school and college instructors. The abundance of examples and the wealth of exercises more than 300, all with
Concise but thorough and systematic, this categorical discussion of the real number system presents a series of step-by-step axioms, each illustrated by examples. The highly accessible text is suitable for readers at varying levels of knowledge and experience: advanced high school students and college undergraduates as well as prospective high school and college instructors. The abundance of examples and the wealth of exercises--more than 300, all with answers provided--make this a particularly valuable book for self-study.The first two chapters examine fields and ordered fields, followed by an introduction to natural numbers and mathematical induction. Subsequent chapters explore composite and prime numbers, integers and rational numbers, congruences and finite fields, and polynomials and rational functions. Additional topics include intervals and absolute value, the axiom of completeness, roots and rational exponents, exponents and logarithms, and decimal expansions. A helpful Appendix concludes the text.
Binding Type: Paperback
Publisher: Dover Publications
Published: 09/12/2018
ISBN: 9780486827643
Pages: 240
Weight: 0.75lbs
Size: 8.90h x 6.00w x 0.50d
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★★★★★ 5
Good item
Color: Black, Size: 48"W x 12"D, 1 Pack
Heavy-duty and looks clean once mounted. Plenty of space for storage or display. Installation was straightforward and it holds weight well.
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Reviewed in the United States on March 22, 2026
★★★★★ 5
Great quality for the price point
Color: Walnut, Size: 48"W x 12"D, 1 Pack
Great quality for the price. Not sure why they include drywall anchors? You need to put the holding bracket into the studs. Otherwise, it will feel wobbly.
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Reviewed in the United States on January 20, 2026
★★★★★ 5
Floating shelves
Color: Oak, Size: 36"W x 12"D, 1 Pack
Very happy with my purchase. Looks great in my kitchen
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Reviewed in the United States on May 5, 2026
★★★★★ 1
Metal bracket is cheap and bends easily
Color: White, Size: 36"W x 12"D, 1 Pack
Worst shelf I have ever purchased. Waisted my money, do not waist yours. Installed with the anchors the shelf came with and it did not hold the shelf at all. This happened with nothing on the shelf, just trying to install with the directions given. The entire metal bracket bent and now the shelf is completely useless. IKEA would have been a better option. So disappointing
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Reviewed in the United States on February 16, 2026
★★★★★ 4
Looks good.
Color: Walnut, Size: 36"W x 12"D, 2 Pack
They look nice. Easy to mount. The level is garbage…throw it away. Pretty light weight. The stability is good as long as the heavier stuff is placed close to the back of the shelf. It price is to high for this product. Take about $30 off and it would be a reasonable price for the product.
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Reviewed in the United States on March 2, 2026