Over 350 ingenious problems involving classical logic: logic is expressed in terms of symbols; syllogisms and the sorites are diagrammed; logic becomes a game played with 2 diagrams and a set of counters. Two books bound as one.
Here's a sample of other books in this Dover category
Lewis Carroll’s Games and Puzzles by Lewis Carroll, Edward Wakeling Forty-two perplexing puzzles by creator of Alice in Wonderland: Cakes in a Row, Looking-Glass Time, Arithmetical Croquet, Diverse Doublets, and others. Hints, solutions. Illustrations by John Tenniel.
Rediscovered Lewis Carroll Puzzles by Lewis Carroll, Edward Wakeling 42 mathematical mind-benders: Castle Croquet, A Sticky but Polished Riddle, Who's Coming to Dinner?, A New Way to Pay Old Debts, Feeding the Cat, and more. Solutions.
The Stanford Mathematics Problem Book: With Hints and Solutions by G. Polya, J. Kilpatrick Based on Stanford University's well-known competitive exam, this excellent mathematics workbook offers students at both high school and college levels a complete set of problems, hints, and solutions. 1974 edition.
Euclid and His Modern Rivals by Lewis Carroll The author of Alice in Wonderland employs the fanciful format of a play set in Hell to take a penetrating and witty look at late-19th-century interpretations of Euclidean geometry. 1885 edition.
Satan, Cantor and Infinity: Mind-Boggling Puzzles by Raymond M. Smullyan A renowned mathematician tells stories of knights and knaves in an entertaining look at the logical precepts behind infinity, probability, time, and change. Requires a strong background in mathematics. Complete solutions.
