[PDF] Forever Undecided eBook

Author : Raymond M. Smullyan
Publisher : Knopf
Page : 286 pages
File Size : 21,35 MB
Release : 2012-07-04
Category : Mathematics
ISBN : 0307962466

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Forever Undecided is the most challenging yet of Raymond Smullyan’s puzzle collections. It is, at the same time, an introduction—ingenious, instructive, entertaining—to Gödel’s famous theorems. With all the wit and charm that have delighted readers of his previous books, Smullyan transports us once again to that magical island where knights always tell the truth and knaves always lie. Here we meet a new and amazing array of characters, visitors to the island, seeking to determine the natives’ identities. Among them: the census-taker McGregor; a philosophical-logician in search of his flighty bird-wife, Oona; and a regiment of Reasoners (timid ones, normal ones, conceited, modest, and peculiar ones) armed with the rules of propositional logic (if X is true, then so is Y). By following the Reasoners through brain-tingling exercises and adventures—including journeys into the “other possible worlds” of Kripke semantics—even the most illogical of us come to understand Gödel’s two great theorems on incompleteness and undecidability, some of their philosophical and mathematical implications, and why we, like Gödel himself, must remain Forever Undecided!

Author : Barbara Kelley
Publisher : Seal Press
Page : 290 pages
File Size : 38,75 MB
Release : 2011-04-26
Category : Business & Economics
ISBN : 1580054021

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In a world of unprecedented opportunity—and pressure—women are struggling more than ever to make career decisions and move forward without second-guessing themselves. Young women graduate from college and believe they have to find the perfect path and then can’t decide which way to go. Undecided is an invaluable guide to this cultural phenomenon of "analysis paralysis.” Looking at both what the media and academic studies have reported on women, careers, and particularly the undecided phenomenon—as well as personal accounts from numerous women—mother and daughter Barbara and Shannon Kelley discuss how we got to this frustrating place, why it affects women in particular, and how today’s culture fuels our fears and distractions. The Kelleys cast a critical eye upon the psychology behind the pressure to choose, and they argue that if women are going to succeed in rising above the often-crippling demands of the modern world they need to take action . . . starting with a serious shift in perspective.

Author : Jessica Brody
Publisher : Farrar, Straus and Giroux (BYR)
Page : 317 pages
File Size : 29,90 MB
Release : 2011-06-07
Category : Young Adult Fiction
ISBN : 1429940999

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PLEASE READ THIS! MY LIFE DEPENDS ON IT! Okay, maybe that was a bit melodramatic, but I'm sorry, I'm feeling a bit melodramatic at the moment. Here's the deal. My name is Brooklyn Pierce, I'm fifteen years old, and I am decisionally challenged. Seriously, I can't remember the last good decision I made. I can remember plenty of crappy ones though. Including that party I threw when my parents were out of town that accidentally burned down a model home. Yeah, not my finest moment, for sure. But see, that's why I started a blog. To enlist readers to make my decisions for me. That's right. I gave up. Threw in the towel. I let someone else decide which book I read for English. And whether or not I accepted an invitation to join the debate team from that cute-in-a-dorky-sort-of-way guy who gave me the Heimlich maneuver in the cafeteria. (Note to self: chew the melon before swallowing it.) I even let them decide who I dated! Well, it turns out there are some things in life you simply can't choose or have chosen for you—like who you fall in love with. And now everything's more screwed up than ever. But don't take my word for it. Read the book and decide for yourself. You'll laugh, you'll cry, you'll scream in frustration. Or maybe that's just me. After all, it's my life.

Author : Raymond M. Smullyan
Publisher : Knopf
Page : 281 pages
File Size : 49,32 MB
Release : 2012-05-30
Category : Games & Activities
ISBN : 0307819825

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More than two hundred new and challenging logic puzzles—the simplest brainteaser to the most complex paradoxes in contemporary mathematical thinking—from our topmost puzzlemaster (“the most entertaining logician who ever lived,” Martin Gardner has called him). Our guide to the puzzles is the Sorcerer, who resides on the Island of Knights and Knaves, where knights always tell the truth and knaves always lie, and he introduces us to the amazing magic—logic—that enables to discover which inhabitants are which. Then, in a picaresque adventure in logic, he takes us to the planet Og, to the Island of Partial Silence, and to a land where metallic robots wearing strings of capital letters are noisily duplicating and dismantling themselves and others. The reader’s job is to figure out how it all works. Finally, we accompany the Sorcerer on an alluring tour of Infinity which includes George Cantor’s amazing mathematical insights. The tour (and the book) ends with Satan devising a diabolical puzzle for one of Cantor’s prize students—who outwits him! In sum: a devilish magician’s cornucopia of puzzles—a delight for every age and level of ability.

Author : Adam Gollner
Publisher : Simon and Schuster
Page : 416 pages
File Size : 30,14 MB
Release : 2014-09-30
Category : Health & Fitness
ISBN : 1439109435

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An exploration of one of the most universal human obsessions charts the rise of longevity science from its alchemical beginnings to modern-day genetic interventions and enters the world of those whose lives are shaped by a belief in immortality.

Author : John P. Burgess
Publisher : Cambridge University Press
Page : 253 pages
File Size : 40,59 MB
Release : 2008-02-21
Category : Science
ISBN : 113947054X

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John Burgess is the author of a rich and creative body of work which seeks to defend classical logic and mathematics through counter-criticism of their nominalist, intuitionist, relevantist, and other critics. This selection of his essays, which spans twenty-five years, addresses key topics including nominalism, neo-logicism, intuitionism, modal logic, analyticity, and translation. An introduction sets the essays in context and offers a retrospective appraisal of their aims. The volume will be of interest to a wide range of readers across philosophy of mathematics, logic, and philosophy of language.

Author : Lyn Cote
Publisher : Harper Collins
Page : 323 pages
File Size : 25,73 MB
Release : 2009-08-18
Category : Fiction
ISBN : 0061939552

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The second book in the Texas: Star of Destiny series by Lyn Cote, Her Inheritance Forever is an unforgettable story of faith, duty, destiny, and love that unites a proud Tejano lady and an American cowboy in a time of great upheaval in the West. A 2006 Rita Award finalist, author Lyn Cote demonstrates the great power and range of inspirational fiction in Her Inheritance Forever, as two hearts are joined and tested amid the historic events—including the legendary stand at the Alamo—that would ultimately lead to Texas statehood.

Author : Genevieve Morgan
Publisher : Zest Books ™
Page : 156 pages
File Size : 30,26 MB
Release : 2020-10-06
Category : Young Adult Nonfiction
ISBN : 1728411823

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Cut through the chaos and find the path that’s right for you! Deciding what to do after high school is one of the biggest decisions you’ll ever make. And that’s a lot of pressure to deal with (especially when everyone else is telling you what they think you should be doing)! Undecided will help you come to grips with this often-overwhelming time of transition by putting the decision-making power back where it belongs: with you. Undecided begins by helping students think seriously about who they are and what they want and then moves on to dissect the various options that are available after high school, such as enrolling in a training program, attending a community college, taking a gap year, enlisting in the military, pursuing a traditional four-year degree, and more. It also takes an in-depth look at how to manage student debt, what you can expect to earn, the kind of lifestyle you may lead, and the possible pitfalls of all of these scenarios. Full of checklists, anecdotes, brainstorming activities, and journal exercises, this book will help you stop procrastinating, put your stress aside, and get busy living.