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Description
An Introduction to Symbolic LogicThis is probably the clearest book ever written on symbolic logic for the philosopher, the general scientist, and the layman. For years it has received the appreciation of those who have been rebuffed by other introductory works because of insufficient mathematical training. No special knowledge of mathematics is required here; even if you have forgotten most of your high school algebra, you can learn to use mathematical logic by following the
This is probably the clearest book ever written on symbolic logic for the philosopher, the general scientist, and the layman. For years it has received the appreciation of those who have been rebuffed by other introductory works because of insufficient mathematical training. No special knowledge of mathematics is required here; even if you have forgotten most of your high school algebra, you can learn to use mathematical logic by following the directions in this book.Now revised and corrected, the book allows you to start with the simplest symbols and conventions and end up with a remarkable grasp of the Boole-Schroeder and Russell-Whitehead systems. It covers the study of forms, essentials of logical structure, generalization, classes, and the principal relations among them, universe of classes, the deductive system of classes, the algebra of logic, abstraction and interpretation, calculus of propositions, the assumptions of Whitehead and Russell's Principia Mathematica, and logistics. Appendices cover symbolic logic and the logic of the syllogism, the construction and use of truth-tables, and proofs of two theorems.
"One of the clearest and simplest introductions to a subject which is very much alive." -- Mathematics Gazette.
Binding Type: Paperback
Publisher: Dover Publications
Published: 06/01/1967
ISBN: 9780486601649
Pages: 384
Weight: 0.83lbs
Size: 8.05h x 5.36w x 0.72d
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4.2 ★★★★★
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★★★★★ 5
Good brand
Size: 300A Fuse Holder
Good product
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Reviewed in the United States on November 5, 2025
★★★★★ 5
Great quality! Sounds great and we’ll built!
I’ve owned a couple of these larger Bluetooth “party” speakers and this is by far the best sounding and well built one I’ve owned. The last one I bought was made by Ion and was much larger, but I think this one sounds WAY better and just looks and feels like quality. The Ion just felt cheap and it died just after the warranty period (of course) It wouldn’t power up anymore even when plugged into a wall outlet. The light show is killer in this if you’re out by the pool at night. I almost forgot to mention, this thing is very lightweight, so easy to carry around. It’s a winner.
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Reviewed in the United States on August 15, 2023
★★★★★ 2
Highs Muddled (XL)
As much as I wanted to love the new Klipsch party speakers, there are better options. I purchased this with the JBL Encore Essential (which you can pick up for fifty bucks less right now), and the JBL won, hands down. Even the heft and finishes of the JBL are superior.
Both speakers are approximately equally loud. However, the JBL had boomier and punchier bass, with twice the number of boost options (2 vs 1) as the Klipsch. But the Klipsch really struggled with the highs with its one teeter - the smaller, doubled tweeters of the JBL are immensely cleaner and clearer.
Long story short, as much as I wanted this speaker to be awesome, Klipsch leaves a lot to be desired here compared to JBL.
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Reviewed in the United States on July 14, 2023
★★★★★ 5
Great sound, can play from two at the same time!
Why did you pick this product vs others?:
Great sound and I love that I can have two of them running!
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Reviewed in the United States on June 23, 2025
★★★★★ 3
How much you like it, will depend on how much you paid.
Its just ok. I have a Klipsch the One, and I would say its slightly worse than that. So I guess it just depends on how much you paid. I paid, $58 with tax and shipping from Amazon, so I think its worth $60. BUT, I would have been said if I paid full price. Full disclosure, I've had a lot of Klipsch and other decent audio over the years so I'm a slight snob. That said, again for the money, it has a mic and battery (battery means its consumable trash) but makes for easy portable set up, its fine.
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Reviewed in the United States on April 1, 2026