This book is a big source of logical principles, useful to learn how to solve mathematichs and general problems.

If You Fail At First, Try, Try Again

A few years ago after graduating in civil engineering I needed to deepen my knowledge in logic and this was one of the best books on the subject 

A perennial bestseller by eminent mathematician G. Polya, How to Solve It will show anyone in any field how to think straight. In lucid and appealing prose, Polya reveals how the mathematical method of demonstrating a proof or finding an unknown can be of help in attacking any problem that can be "reasoned" out—from building a bridge to winning a game of anagrams. Generations of readers have relished Polya's deft—indeed, brilliant—instructions on stripping away irrelevancies and going straight to the heart of the problem.

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A perennial bestseller by eminent mathematician G. Polya, How to Solve It will show anyone in any field how to think straight. In lucid and appealing prose, Polya reveals how the mathematical method of demonstrating a proof or finding an unknown can be of help in attacking any problem that can be "reasoned" out—from building a bridge to winning a game of anagrams. Generations of readers have relished Polya's deft—indeed, brilliant—instructions on stripping away irrelevancies and going straight to the heart of the problem.

G. Polya is an accomplished writer whose work has resonated with readers around the world. G. Polya has published several books that explore a range of topics, from fiction to nonfiction, and has received critical acclaim for the ability to weave compelling narratives. G. Polya's writing style is known for its depth and authenticity, and has earned quite a loyal following of readers.

How to Solve It

Raffaele Quatraro