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The Is-Ought Problem : An Investigation in Philosophical Logic - Gerhard Schurz

The Is-Ought Problem

An Investigation in Philosophical Logic

Hardcover

Published: 28th February 1997
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Can "ought" be derived from "is"? This text presents a systematic investigation of this time-honoured philosophical problem by means of modern alethic-deontic predicate logic. Two comprehensive introductory chapters into the philosophical and logical foundations make the text understandable for non-logicians, ethicists, social scientists and students of philosophy. New in this study are two topics: relevance and metalogical generality. It turns out that "is-ought" inferences indeed exist, but they are all irrelevant in a precise logical sense. New proof techniques allow the establishment of this result for very broad classes of logics. A profound philosophical investigation of the question of analytical or strongly intersubjective is-ought bridge principles supplements the logical study. The final results imply incisive limitations for the justifiability of ethics as opposed to empirical science.

`... anyone interested in deontic logic should benefit from the insights of this book. ... the work is clearly written and excellently edited.' History and Philosophy of Logic, 19 (1998)

Preface
Philosophical Background and Program of the Study
The Logical Background: A.D. 1-Logics
The Logical Explication of Hume's Thesis
The General Hume Thesis GH
The Special Human Thesis SH
Weakened Vesions of Hume's Thesis in A.D. 1- Logics with Bridge Principles
A.D. 1-Logics with Weak Alethic Fragments: As A Subjective Propositional Attitude
Generalizations
Some Applications to Ethical Arguments
The Problems of Identity and Existence
Are There Analytic Bridge Principles? A Philosophical Investigation
Are Synthetic Bridge Principles Scientifically Justifiable?
Appendix
Notes
Bibliography
Table of Contents provided by Publisher. All Rights Reserved.

ISBN: 9780792344100
ISBN-10: 0792344103
Series: Trends in Logic
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 332
Published: 28th February 1997
Publisher: Springer
Country of Publication: NL
Dimensions (cm): 23.5 x 15.5  x 2.54
Weight (kg): 1.48