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Description
Mathematics and LogicWhat is mathematics? How was it created and who were and are the people creating and practicing it? Can one describe its development and role in the history of scientific thinking and can one predict the future? This book is a thought provoking attempt to answer such questions and to suggest the scope and depth of the subject. The volume begins with a discussion of problems involving integers in which ideas of infinity appear and proceeds through the
What is mathematics? How was it created and who were and are the people creating and practicing it? Can one describe its development and role in the history of scientific thinking and can one predict the future? This book is a thought-provoking attempt to answer such questions and to suggest the scope and depth of the subject.The volume begins with a discussion of problems involving integers in which ideas of infinity appear and proceeds through the evolution of more abstract ideas about numbers and geometrical objects. The authors show how mathematicians came to consider groups of general transformations and then, looking upon the sets of such subjects as spaces, how they attempted to build theories of structures in general. Also considered here are the relations between mathematics and the empirical disciplines, the profound effect of high-speed computers on the scope of mathematical experimentation, and the question of how much mathematical progress depends on invention and how much on discovery. For mathematicians, physicists, or any student of the evolution of mathematical thought, this highly regarded study offers a stimulating investigation of the essential nature of mathematics.
Binding Type: Paperback
Publisher: Dover Publications
Published: 05/01/1992
ISBN: 9780486670850
Pages: 192
Weight: 0.46lbs
Size: 8.23h x 5.68w x 0.38d
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★★★★★ 5
Great Price for Quality Electric Screwdriver.
Size: No Size, Style: 4V Screwdriver_Twist 2.0 2pc Set
Works well. Charges well. Charge lasts a long time. Versatile. Works well on RC Cars. Make sure you have machined bits.
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Reviewed in the United States on April 4, 2026
★★★★★ 3
Decent driver, but no real torque control
Size: No Size, Style: 4V Screwdriver_Twist 2.0 2pc Set
As others have noted, this driver works well overall, but would be better if the head could go to 90° instead of just 45°, and it comes in an extremely hard to open package. I'd like to point out a couple of other things that I haven't seen mentioned.
First, although this tool claims to have torque control via the three-level setting on the handle, it's not like most drills and drivers. With them, when the maximum torque setting is reached, a clutch disengages and the tool just 'freewheels.' But this Skil driver runs until the motor stalls, and its three settings merely control when that happens. In practical terms, that means the tool can wrench your wrist pretty badly. Even at the lowest setting the torque is considerable, making it all too easy to strip threads or even break off screw heads. This also makes it more likely to injure your wrist.
Also, in case it wasn't obvious, this tool's battery is not user-replaceable. If it runs out of power in the middle of a job... too bad. And when eventually it gets to the point where it will no longer hold a charge, Skil's only suggestion is to "Have the tool serviced by an Authorized SKIL Service Station." If you can find one, that is. If you don't want a disposable tool, this is probably not for you.
Don't get me wrong--I like this driver, and it has already come in handy in a few situations where my regular drill/driver would have been too bulky to fit. But it's good to know its limitations.
Skil also makes a smaller, less expensive 4 V screwdriver that lacks the adjustable-angle head of this one. If a straight power screwdriver is all you need, that one is worth considering:
https://www.amazon.com/Rechargeable-Cordless-Screwdriver-Circuit-Technology/dp/B07C4916LS/ref=sr_1_7
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Reviewed in the United States on May 4, 2026
★★★★★ 5
Easy to use
Size: No Size, Style: 4V Screwdriver_Twist 2.0 2pc Set
A handy tool. Charged fast and is made of quality
Heavy material. Highly recommended for all.
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Reviewed in the United States on April 17, 2026
★★★★★ 5
Trendy shirt and great price
Great shirt and great quality! My son loves it and gets lots of compliments. It’s a soft, nice material and true to size. I’ll be ordering from this seller again.
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Reviewed in the United States on May 29, 2025
★★★★★ 5
Mens shirt
Fit was correct, nice made t shirt
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Reviewed in the United States on January 28, 2026