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.
