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Description
The Story of ProofHow the concept of proof has enabled the creation of mathematical knowledge. The Story of Proof investigates the evolution of the concept of proofone of the most significant and defining features of mathematical thoughtthrough critical episodes in its history. From the Pythagorean theorem to modern times, and across all major mathematical disciplines, John Stillwell demonstrates that proof is a mathematically vital concept, inspiring innovation and
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.9 ★★★★★
Based on 1691 reviews
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Product Reviews
★★★★★ 1
Sizes run small; larger sizes not available
I returned the jacket because the size was much smaller than described. I liked the look and feel of the jacket and the material, but b it x was v much smaller in size than a different jacket I bought at c the same c Times in the c same c size from b a a different company. The other b one for me v perfectly. The Coofandy jacket was not a standard size and much much smaller than I had hoped. If they had offered a larger size I would have exchanged it for a size larger. But they don’t, so I returned it and kept the other one that fit like a glove.
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Reviewed in the United States on December 12, 2023
★★★★★ 3
SIZING IS REALLY SCREWED UP !!
I KEW THIS WOULD HAPPEN. RECEIVED A JACKET MARKED L BUT DEFINITELY A MED. I'M A 43" CHEST BUT I HEARD IT WAS CUT SMALL BUT I WANTED TO WEAR TURLENECK SWEATERS WITIT . I'VE TRIED TOO MANY. I'M GOING TO KEEP IT AND WEAR IT OPEN. THE JACKET LOOKS TOO GOOD TO RETURN IT.
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Reviewed in the United States on November 4, 2025
★★★★★ 2
Not for me
The item was too small although I went by the size guide. There is also some uneven white stitching on a gray garment
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Reviewed in the United States on December 26, 2025
★★★★★ 5
Quality blazer
Quality for such a great price. Fit was perfect
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Reviewed in the United States on January 11, 2026
★★★★★ 5
IT LOOKS AS SHOWN
Size: 36W x 30L, Color: Navy
comfortable and look good
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Reviewed in the United States on May 29, 2026
