# Good Math download

Good Math: A Geek's Guide to the Beauty of Numbers, Logic, and Computation (Pragmatic Programmers)

Mathematics is beautiful--and it can be fun and exciting as well as practical. *Good Math* is your guide to some of the most intriguing topics from two thousand years of mathematics: from Egyptian fractions to Turing machines; from the real meaning of numbers to proof trees, group symmetry, and mechanical computation. If you've ever wondered what lay beyond the proofs you struggled to complete in high school geometry, or what limits the capabilities of computer on your desk, this is the book for you.

Why do Roman numerals persist? How do we know that some infinities are larger than others? And how can we know for certain a program will ever finish? In this fast-paced tour of modern and not-so-modern math, computer scientist Mark Chu-Carroll explores some of the greatest breakthroughs and disappointments of more than two thousand years of mathematical thought. There is joy and beauty in mathematics, and in more than two dozen essays drawn from his popular "Good Math" blog, you'll find concepts, proofs, and examples that are often surprising, counterintuitive, or just plain weird.

Mark begins his journey with the basics of numbers, with an entertaining trip through the integers and the natural, rational, irrational, and transcendental numbers. The voyage continues with a look at some of the oddest numbers in mathematics, including zero, the golden ratio, imaginary numbers, Roman numerals, and Egyptian and continuing fractions. After a deep dive into modern logic, including an introduction to linear logic and the logic-savvy Prolog language, the trip concludes with a tour of modern set theory and the advances and paradoxes of modern mechanical computing.

If your high school or college math courses left you grasping for the inner meaning behind the numbers, Mark's book will both entertain and enlighten you.

### Table of Contents

Part I: Numbers

Chapter 1. Natural Numbers

Chapter 2. Integers

Chapter 3. Real Numbers

Chapter 4. Irrational and Transcendental Numbers

Part II: Funny Numbers

Chapter 5. Zero

Chapter 6. e: The Unnatural Natural Number

Chapter 7. φ: The Golden Ratio

Chapter 8. i: The Imaginary Number

Chapter 9. Roman Numerals

Chapter 10. Egyptian Fractions

Chapter 11. Continued Fractions

Part IV: Logic

Chapter 12. Mr. Spock Is Not Logical

Chapter 13. Proofs, Truth, and Trees: Oh My!

Chapter 14. Programming with Logic

Chapter 15. Temporal Reasoning

Part V: Sets

Chapter 16. Cantor’s Diagonalization: Infinity Isn’t Just Infinity

Chapter 17. Axiomatic Set Theory: Keep the Good, Dump the Bad

Chapter 18. Models: Using Sets as the LEGOs of the Math World

Chapter 19. Transfinite Numbers: Counting and Ordering Infinite Sets

Chapter 20. Group Theory: Finding Symmetries with Sets

Part VI: Mechanical Math

Chapter 21. Finite State Machines: Simplicity Goes Far

Chapter 22. The Turing Machine

Chapter 23. Pathology and the Heart of Computing

Chapter 24. Calculus: No, Not That Calculus—λ Calculus

Chapter 25. Numbers, Booleans, and Recursion

Chapter 26. Types, Types, Types: Modeling λ Calculus

Chapter 27. The Halting Problem

- Title: Good Math
- Author: Mark C. Chu-Carroll
- Length: 250 pages
- Edition: 1
- Language: English
- Publisher:Pragmatic Bookshelf
- Publication Date: 2013-07-25
- ISBN-10: 1937785335
- ISBN-13: 9781937785338

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