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Cover -- Ethics And Existence: The Legacy Of Derek Parfit -- Copyright -- Contents -- List Of Figures -- Contributors -- Introduction -- Chapter Abstracts -- Ralf Bader: 'the Asymmetry' -- M. A. Roberts: 'the Value And Probabilities Of Existence' -- Hilary Greaves And John Cusbert: 'comparing Existence And Non-existence' -- Patrick Tomlin: 'the Impure Non-identity Problem' -- Elizabeth Harman: 'abortion And The Non-identity Problem' -- Andrew Mcgee And Julian Savulescu: 'a Partial Solution To The Non-identity Problem: Regretting One Was Born And Having A Life Not Subjectively Worth Living' Larry Temkin: 'population Ethics Forty Years On: Some Lessons Learned From Box Ethics' -- Jacob M. Nebel: 'totalism Without Repugnance' -- Johann Frick: 'context-dependent Betterness And The Mere Addition Paradox' -- Niko Kolodny: 'saving Posterity From A Worse Fate' -- Andreas L. Mogensen: 'against Large Number Scepticism' -- William Macaskill: 'are We Living At The Hinge Of History?' -- S. J. Beard And Patrick Kaczmarek: 'on Theory X And What Matters Most' -- Ruth Chang: 'how To Avoid The Repugnant Conclusion' Wlodek Rabinowicz: 'can Parfit's Appeal To Incommensurabilities In Value Block The Continuum Argument For The Repugnant Conclusion?' -- Gustaf Arrhenius: 'population Ethics And Conflict-of-value Imprecision' -- Teruji Thomas: 'on Evaluative Imprecision' -- Theron Pummer: 'sorites On What Matters' -- Michael Otsuka: 'prioritarianism, Population Ethics, And Competing Claims' -- Shlomi Segall: 'quarantining Prioritarianism' -- Part I: Causing People To Existand The Non-identity Problem -- 1: The Asymmetry -- 1.1 The Basic Account -- 1.1.1 The First Half -- 1.1.2 The Second Half 1.2 Extending The Account -- 1.2.1 Lives That Are Initially Worth Living -- 1.2.1.1 Coarse-grained Options -- 1.2.1.2 Fine-grained Asymmetry -- 1.2.2 Externalities -- 1.2.3 Adding Groups -- 1.2.4 Probabilistic Cases -- 1.2.4.1 Time-slice Aggregation -- 1.2.4.2 Initial-segment Aggregation -- 1.2.4.3 Different-number Cases -- 1.2.5 Absolute Harm -- 1.3 Conclusion -- References -- 2: The Value And Probabilities Of Existence -- 2.1 Introduction -- 2.2 Notes On Figures, Assumptions, Vocabulary -- 2.3 Commitments -- 2.3.1 The Miserable Child Case: Why Pbi Must Be Verynarrowly Formulated 2.3.2 The Three Outcome Case -- 2.3.3 Objection: Why Pbi Must Be Understood As Expansive -- 2.4 Formal Statement Of Pbi -- 2.5 The Better Chance Puzzle -- 2.6 The Better Chance Case Versus The Nonidentity Problem -- 2.7 Solving The Better Chance Puzzle -- 2.7.1 Two Proposed Solutions Based On The Concept Of Expected Value -- 2.7.1.1 Unadulterated Expected Value Approach -- 2.7.1.2 Combination Approach: Evnpbi+ev -- 2.7.2 Probable Value Approach -- 2.7.3 Summing Up The Solution -- Implications For Connection -- 2.8 Avoiding The Nonidentity Fallacy -- 2.9 Conclusion -- References Edited By Jeff Mcmahan, Tim Campbell, James Goodrich, And Ketan Ramakrishnan. Includes Bibliographical References And Index. Electronic Reproduction. Oxford Available Via World Wide Web.