Four Lives: A Celebration of Raymond Smullyan Product Description: This "best of" hardcover collection of works by Raymond Smullyan features excerpts from his published writings, including logic puzzles, explorations of mathematical logic and paradoxes, retrograde analysis chess problems, jokes and anecdotes, and meditations on the philosophy of religion Created by the celebrated logician Raymond Smullyan, the puzzles require no background in formal logic and will delight readers of all ages For example: On what square was the White queen captured? Since these problems involve the same sort of logical reasoning that lies at the core of the Sherlock Holmes stories, Raymond Smullyan has aptly set each one within its own Holmes-Watson dialogue Rather than predicting the outcome of these games, the Baker Street duo focus on past events, using the same variety of logical reasoning that unlocks the secrets to their ever-popular mysteries
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All rights belong to their owners. Images used here for review purposes only. The Moscow Puzzles , by Boris A. Kordemsky was a Russian high school teacher, and math and science writer. He wrote over 70 books and popular math articles, making him one of the more prolific Russian writers of recreational mathematics. The above book specifically represents a collection of math puzzles, published in It was eventually translated into English by Dr. Albert Parry, then cleaned up, with units and references converted to feet, inches, dollars, etc.
Anyway, many of the puzzles here had also been made popular by Henry Dudeney and Sam Loyd , but Kordemsky put his own twists on them.
Some of those problems mimic the ones in the Moscow Problems book, but I was never able to figure them out myself — I just wanted the solutions to be handed to me. When I was looking over the customer reviews for The Moscow Puzzles on the amazon. Most of the readers gave the book 5 stars, but there was a small number of people that gave it one star, either because they were math teachers unable to figure out how to steal the problems for use in their own classes, or because some of the puzzles used props like coins, dominoes, or cardboard cutout figures that they were too lazy to gather together, or make themselves.
And, yes, many of the puzzles use old-fashioned or cultural-specific references e. But still, those complaints are awfully petty. Additionally, yeah, not all puzzles are strictly paper and pencil things. You can treat them as games, with boards and playing pieces, and even play against friends or family members. Or, cut out some of the figures and give them to children to play with.
Back cover. Towards the end of the book, I did start skipping over puzzles that I had less interest in, and my accuracy rate plummeted below 1 out of 6 puzzles. Especially for the dominoes, and memorization tricks puzzles. But, things picked back up when I got to the second to the last chapter, with instructions on how to create any sized magic squares.
And with the last chapter, which was a hodge-podge of prime numbers, the Fibonacci series, and figurate numbers. The problem, and the painting itself are shown below. From the wikiart page.
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Download eBook The one world problem has been central to knowledge for ages. Of many approaches none has resolved the problem. With great increases in knowledge there is now sufficient ideas, concepts and means to show a unified ultimate totality. Actual Totality is a book whose proofs and detail provide the needed resolution. The approach to unity is by forty types of proof from non-existence to their combined sum. It features those universals, qualities, continua, kinds, and varieties of actual totality whose proofs are most certain.
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All rights belong to their owners. Images used here for review purposes only. The Moscow Puzzles , by Boris A. Kordemsky was a Russian high school teacher, and math and science writer. He wrote over 70 books and popular math articles, making him one of the more prolific Russian writers of recreational mathematics.