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The Probability of God: A Simple Calculation That Proves the Ultimate Truth Paperback – Oct 26 2004

3.5 out of 5 stars 20 customer reviews

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Strong Is the New Pretty

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Product details

  • Paperback: 272 pages
  • Publisher: Crown Forum; Reprint edition (Oct. 26 2004)
  • Language: English
  • ISBN-10: 1400054788
  • ISBN-13: 978-1400054787
  • Product Dimensions: 13 x 1.4 x 20.3 cm
  • Shipping Weight: 376 g
  • Average Customer Review: 3.5 out of 5 stars 20 customer reviews
  • Amazon Bestsellers Rank: #730,088 in Books (See Top 100 in Books)
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Product description


"Unwin's book, which is peppered with wry, self-deprecating humor that makes the scientific discussions more accessible, may prove spiritually inspiring."—Chicago Sun Times

"A pleasantly breezy account of some complicated matters well worth learning about."–Philadelphia Inquirer

"Stephen Unwin has pulled off the seemingly impossible—a profound and instructive discussion of God delivered in an entertaining, witty and no-nonsense style. His quirky prose conceals a wealth of information about science, religion and the grounds for rational belief. He bypasses the indulgent obscurantism so characteristic of contemporary theological writing and goes straight to the heart of the matter: Is belief in God a reasonable deduction given the evidence? That Unwin can achieve this with minimal mathematics is a testimony to his incisive mind and impressive writing skills."
—Paul Davies, Templeton Prize winner and author of The Mind of God and The Cosmic Blueprint

"This book is very bad news for anyone planning a career in Evil. Engaging, witty, concise and clear, Dr. Unwin's book achieves two impossible things: it makes Theology and Probability Theory accessible to humans."
—Rob Grant, co-creator of the "Red Dwarf" television series and author of Backwards

"The Probability of God is witty, it's fun to read--you keep wanting to goon, chapter after chapter, and keep going to figure out this probability. Ifyou're looking for a book that's intellectually stimulating, kind of fun,and compelling-- this is it."

"Yes, the book has humor, a trait that math sorely needs... I especially liked the way he mixed humor and scientific rigor."
-Columbus Dispatch

"Stephen Unwin has boldly gone where no theoretical physicist has gone before."
-Dayton Daily News

"Unwin did not set out to prove one way or another the existence of God. He just wanted to figure the odds."
-Australian Herald Sun

From the Inside Flap

Does God exist?

This is probably the most debated question in the history of mankind. Scholars, scientists, and philosophers have spent their lifetimes trying to prove or disprove the existence of God, only to have their theories crucified by other scholars, scientists, and philosophers. Where the debate breaks down is in the ambiguities and colloquialisms of language. But, by using a universal, unambiguous languagenamely, mathematicscan this question finally be answered definitively? Thats what Dr. Stephen Unwin attempts to do in this riveting, accessible, and witty book, The Probability of God.

At its core, this groundbreaking book reveals how a math equation developed more than 200 years ago by noted European philosopher Thomas Bayes can be used to calculate the probability that God exists. The equation itself is much more complicated than a simple coin toss (heads, Hes up there running the show; tails, Hes not). Yet Dr. Unwin writes with a clarity that makes his mathematical proof easy for even the nonmathematician to understand and a verve that makes his book a delight to read. Leading you carefully through each step in his argument, he demonstrates in the end that God does indeed exist.

Whether youre a devout believer and agree with Dr. Unwins proof or are unsure about all things divine, you will find this provocative book enlightening and engaging.

From the Hardcover edition.

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