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Field name	Details
Dewey Class	160
Title	The Is-Ought Problem ([EBook] :) : An Investigation in Philosophical Logic / / by Gerhard Schurz.
Author	Schurz, Gerhard
Other name(s)	SpringerLink (Online service)
Publication	Dordrecht : : Springer Netherlands : : Imprint: Springer, , 1997.
Physical Details	X, 332 p. : online resource.
Series	Trends in Logic, Studia Logica Library 1572-6126 ; ; 1
ISBN	9789401733755
Summary Note	Can OUGHT be derived from IS? This book presents an investigation of this time-honored problem by means of alethic-deontic predicate logic. New in this study is the leitmotif of relevance: is-ought inferences indeed exist, but they are all irrelevant in a precise logical sense. New proof techniques establish this result for very broad classes of logics. A profound philosophical analysis of is-ought bridge principles supplements the logical study. The final results imply incisive limitations for the justifiability of ethics as opposed to empirical science.:
Contents note	1. Philosophical Background and Program of the Study -- 2. The Logical Background: A.D.1-Logics -- 3. The Logical Explication of Hume’s Thesis -- 4. The General Hume Thesis GH -- 5. The Special Hume Thesis SH -- 6. Weakened Versions of Hume’s Thesis in A.D.I-Logics with Bridge Principles -- 7. A.D.1-Logics with Weak Alethic Fragments: ? as a Subjective Propositional Attitude -- 8. Generalizations -- 9. Some Applications to Ethical Arguments -- 10. The Problems of Identity and Existence -- 11. Are There Analytic Bridge Principles? A Philosophical Investigation -- 12. Are Synthetic Bridge Principles Scientifically Justifiable? -- A.1 Interchange of substitution for predicates and for individual variables -- A.2 Transitivity of predicate substitutions -- A.5 Preservation of frame-validity under ?-substitution -- A.6 Advancing ?-, a- and d-rule -- A.7 Model-completeness for a.d.l-logics -- A.8 Singleton frames for a.d.1-logics which are not propositionally representable -- A.9 Canonical a.0-logics with incomplete 1-counterparts -- A.10 Canonicity transfer from a.0- to a.1-logics -- A.11 Canonicity transfer from monomodal to combined bimodal 1-logics -- A.12 Halldéncompleteness and the Bolzano-criterion -- A.13 Correspondence and canonicity for (N1-5) -- A.14 Domains of j.1.-models -- A.16 Characterization of a.d.(G)2-logics -- A.17 Admissibility of (?GR) -- Table of Definitions, Lemmata, Propositions, Theorems, Corollaries, Facts, Figures and Problems -- Notes.
System details note	Online access to this digital book is restricted to subscription institutions through IP address (only for SISSA internal users)
Internet Site	http://dx.doi.org/10.1007/978-94-017-3375-5
Links to Related Works	Subject References: Logic . Philosophy . Philosophy and science . Philosophy and social sciences . Philosophy of Science . Philosophy of the Social Sciences . Authors: Schurz, Gerhard . Corporate Authors: SpringerLink (Online service) . Series: Trends in Logic, Studia Logica Library . Classification: 160 .

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The Is-Ought Problem: An Investigation in Philosophical Logic /

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