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An investigation of the laws of thought

An investigation of the laws of thought by BOOLE, George

7 to 14 days for delivery
Standard Shipping: $15.00
Details
$5,500.00
( US$)
Seller: Rootenberg Rare Books & Manuscripts
Title
An investigation of the laws of thought
Author
BOOLE, George
Seller
Rootenberg Rare Books & Manuscripts (United States)
Description
London: Walton and Maberly, 1854. FIRST EDITION. The errata leaf is at the beginning following the Contents with the note and 6 pages of advertisements at the end of the book. Finely rebound in full morocco with gilt decorated spine. From the Tomash collection of logic and mathematics. First edition, possibly the second issue of this classic work on symbolic logic, now quite scarce, or otherwise possibly a variant issue altogether (see below). Boole (1815-1864) demonstrated how the laws of formal logic could be incorporated into a calculus. This combination of the two fields revolutionized mathematics, philosophy, and linguistics, and paved the way for the design of high-speed computers. Boole demonstrates that logical propositions can be expressed as mathematical equations, and that the algebraic manipulation of symbols in those equations offers a fail-safe method of logical deduction. The Laws of thought extends his exploration of logic, and introduces another ground-breaking concept, mathematical probability. Bertrand Russell remarked that “pure mathematics was discovered by George Boole” (Bell, Men of Mathematics, p. 441). The issue points are in question here as the book has been rebound. The first issue apparently finds the errata leaf at the end, but it is possible it could have been moved when the book was rebound. Bell, Development of Mathematics, p. 517; Lehigh University, Exhibition of Rare Books in the History of Mathematics (1961), 58; Norman, 266; Origins of Cyberspace, 224; Tomash, B198.
Fortune Teller Volvelle

Fortune Teller Volvelle

2 to 8 days for delivery
Standard Shipping: $3.00
Details
$225.00
( US$)
Seller: Eclectibles
Title
Fortune Teller Volvelle
Seller
Eclectibles (United States)
Condition
Very good. Toned with spotting, a couple nicks. Light bend upper right.
Description
Columbus, Ohio: Columbus Buggy Co, 1888. Very good. Toned with spotting, a couple nicks. Light bend upper right.. A clever 1880s fortune teller volvelle advertising the Columbus Buggy Company. The volvelle is made from a card volvelle wheel measuring approx. 4" in diameter, affixed to a 5" by 4" card with small metal grommet. The wheel has a small window that reveals each letter of the alphabet and a corresponding fortune. The directions read, "Turn to each letter of your full name and write the prediction for each letter, keeping the good predictions separate from those that predict ill ... When all the letters of your name have been used, ascertain the number of [good fortunes versus bad fortunes]. Whichever is in excess will be Your Fortune". Includes an image of a fortune teller giving a young couple their fortune. On the back is a brief pitch for the company's engraved name plates for buggies.

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