Symbols, Computation, and Intentionality |
PREFACE |
INTRODUCTION |
• | A Brief Guide to This Book |
PART I— COMPUTATIONALISM AND ITS CRITICS |
Chapter One— The Computational Theory of Mind |
• | 1.1— Intentional States |
• | 1.2— Mental State Ascriptions in Intentional Psychology and Folk Psychology |
• | 1.3— CTM's Representational Account of Intentional States |
• | 1.4— Semantic Compositionality |
• | 1.5— Cognitive Processes |
1.6— Formalization and Computation |
• | 1.6.1— Formalization |
• | 1.6.2— A Mathematical Notion of Computation |
• | 1.6.3— The Scope of Formal Symbol-Manipulation Techniques |
• | 1.6.4— Computing Machines |
• | 1.7— The Computational Account of Cognitive Processes |
• | 1.8— Summary: The Computational Theory of Mind |
Chapter Two— Computation, Intentionality, and the Vindication of Intentional Psychology |
• | 2.1— CTM's Account of Intentionality |
• | 2.2— Intentionality |
• | 2.3— CTM, Intentionality, and Semantics |
• | 2.4— The Virtues of the Account |
• | 2.5— CTM as the Basis for an Intentional Psychology |
• | 2.6— The Disrepute of Mentalism—a Brief History |
• | 2.7— Vindicating Intentional Psychology (1): Machine Functionalism |
• | 2.8— Vindicating Intentional Psychology (2): Symbols and Computation |
• | 2.9— Summary |
Chapter Three— "Derived Intentionality" |
• | 3.1— Searle's and Sayre's Criticisms |
• | 3.2— Three Implicit Criticisms |
• | 3.3— The Formal Symbols Objection |
• | 3.4— Derived Intentionality |
• | 3.5— The Ambiguity of "Derived Intentionality" |
• | 3.6— Causally Derived Intentionality |
3.7— Assessing the Causal Derivation Objection |
• | 3.7.1— The "Fodor Move" |
• | 3.7.2— The "Dennett Move" |
• | 3.7.3— Prospects of the Causal Derivation Objection |
3.8— The Conceptual Dependence Objection |
• | 3.8.1— The Homonymy of 'Healthy': An Aristotelian Paradigm |
• | 3.8.2— "Derived Intentionality" as the Homonymy of 'Intentional' |
• | 3.8.3— The Potential of a "Conceptual Dependence Objection" |
• | 3.9— The Need for Semiotics |
PART II— SYMBOLS, COMPUTERS, AND THOUGHTS |
Chapter Four— Symbols—An Analysis |
• | 4.1— Symbols: Semantics, Syntax, and Tokening a Type |
• | 4.2— Markers, Signifiers, Counters |
4.3— Markers |
• | 4.3.1— The "Text from Tanganyika" Experiment |
• | 4.3.2— What Is Essential to the Notion of a Marker? |
• | 4.4— Signifiers |
• | 4.5— Counters |
• | 4.6— The Relationship of the Marker, Signifier, and Counter Levels |
4.7— Four Modalities of Conventional Being |
• | 4.7.1— Case 1—The Optometrist |
• | 4.7.2— Case 2—The Bilingual Optometrist |
• | 4.7.3— Interpretability |
• | 4.7.4— Intentional Tokening and Authoring Intentions |
• | 4.7.5— Actual Interpretation |
• | 4.7.6— Interpretability-in-Principle |
• | 4.7.7— The Four Modalities |
• | 4.8— Four Ways of Being a Signifier |
• | 4.9— Four Modalities for Counters |
• | 4.10— The Nature and Scope of This Semiotic Analysis |
• | 4.11— The Form of Ascriptions of Intentional and Semantic Properties |
• | 4.12— Summary |
Chapter Five— The Semantics of Thoughts and of Symbols in Computers |
5.1— Semiotics and Mental Semantics |
• | 5.1.1— The Homonymy of the Semantic Vocabulary |
• | 5.1.2— Conceptual Dependence |
5.2— Symbols in Computers |
5.2.1— Computers Store Objects That Are Symbols |
• | Example 1: The Adder Circuit |
• | Example 2: Text in Computers |
• | 5.2.2— A Rival View Refuted |
• | 5.3— A New Interpretation of 'Symbol' and 'Syntax' |
• | 5.4— Implications of a Separate Usage of 'Symbol' |
Chapter Six— Rejecting Nonconventional Syntax and Semantics for Symbols |
• | 6.1— A Criticism of the Semiotic Analysis |
• | 6.2— Initial Response |
6.3— The Choice of Paradigm Examples |
• | 6.3.1— Some Existing Uses of 'Symbol' and 'Meaning' |
• | 6.3.2— Mental Representations as a Paradigm |
• | 6.3.3— Symbols in Computers |
• | 6.4— Further Objections |
• | 6.5— The Essential Conventionality of Markers |
• | 6.6— Syntax, Functional Role, and Compositionality |
6.7— What Functional Description Can't Do |
• | 6.7.1— Functionalist Theories of the Mind |
• | 6.7.2— Functionalist Theories of Language |
• | 6.7.3— The "Fallacy of Reduction" |
• | 6.8— The Possibility of Pure Semantics |
6.9— Tarski's Semantics |
• | 6.9.1— A Nonconventional Analysis? |
• | 6.9.2— The Conventionality of the Markers |
• | 6.9.3— Field's Argument |
• | 6.9.4— Blackburn's Argument |
• | 6.10— "Pure Semantics" and "Abstract Languages" |
• | 6.11— Conclusion |
PART III— THE CRITIQUE OF CTM |
Chapter Seven— Semiotic-Semantic Properties, Intentionality, Vindication |
• | 7.1— A Brief Discussion of the Three Versions |
• | 7.2— Semiotic-Semantic Properties and CTM'S Account of Intentionality |
• | 7.3— Intentions, Conventions, and the Representational Account |
• | 7.4— The Empirical Implausibility of the Account |
• | 7.5— The Irrelevance of Conventions and Intentions |
• | 7.6— Conflicts in the Notion of Representation |
• | 7.7— Circularity and Regress |
7.8— The Interpretability-in-principle Version |
• | 7.8.1— Spurious Properties |
• | 7.8.2— Strange Cognizers |
• | 7.8.3— Lack of Explanatory Force |
• | 7.8.4— The Reappearance of Conventionality at the Marker Level |
• | 7.9— Applicability of These Criticisms |
• | 7.10— Two Possible Responses |
• | 7.11— Systematic Symbol Manipulation |
7.12— Causality and Computers |
• | 7.12.1— Representation Plus Causation |
• | 7.12.2— Causality Explains Semantics |
• | 7.12.3— Causal and Other Definitions of Semantic Terms |
• | 7.13— Compositionality and the Conventionality of Syntax |
• | 7.14— Semiotic-Semantics and the Vindication of Intentional Psychology |
• | 7.15— Summary |
Chapter Eight— Causal and Stipulative Definitions of Semantic Terms |
• | 8.1— The Vocabulary of Computation in CTM |
• | 8.2— A Bowdlerized Version of CTM |
• | 8.3— The Problem of Semantics |
8.4— A Stipulative Reconstruction of the Semantic Vocabulary |
• | 8.4.1— What Is Gained and Lost in Causal Definition |
8.4.2— Covariation and Mental-Semantics |
• | 8.4.2.1— Explanation and Demarcation |
• | 8.4.2.2— Meaning Assignment and Meaningfulness |
• | 8.4.2.3— Why We Need an Explanation of Meaningfulness |
8.4.3— CCTI As a Demarcation Criterion for Meaning Assignments |
• | 8.4.3.1— Demarcation, Interpretation, and Meaning Fixation |
• | 8.4.3.2— The Suitability of CCTI for Demarcation |
• | 8.4.3.3— The Problem of Misrepresentation |
8.4.4— What CCTI Does Not Do |
• | 8.4.4.1— Failure to Demarcate the Meaningful |
• | 8.4.4.2— Why CCTI Does Not Explain Meaningfulness |
• | 8.4.4.3— Instantiation and Realization |
• | 8.4.4.4— Instantiation and the Explanation of Meaningfulness |
• | 8.4.5— Some Telling Comparisons |
• | 8.4.6— The Tension between Generality and Explanatory Force |
• | 8.4.7— Compositionality Revisited |
8.5— A Second Strategy: Theoretical Definition |
• | 8.5.1— Does Theoretical Definition Explain Intentionality? |
8.6— Mr-Semantics and the Vindication of Intentional Psychology |
• | 8.6.1— The Special case of Semiotic-Semantic Properties |
• | 8.6.2— Instantiation, Realization, Vindication |
• | 8.7— Summary |
Chapter Nine— Prospects for a Naturalistic Theory of Content |
• | 9.1— Strong and Weak Naturalization |
9.2— What Is "The Mental"? |
• | 9.2.1— Four Kinds of "Mental State" |
• | 9.2.2— Intentionality and Directedness |
• | 9.2.3— Broad Content, Narrow Content, Phenomenological Content |
• | 9.2.4— The Plan of Attack |
9.3— Phenomenology and the Mental |
• | 9.3.1— The Legitimacy of the Phenomenological Approach |
• | 9.3.2— The Reality of Phenomenological Features |
• | 9.3.3— Is Phenomenology Essential to Some Mental States? |
• | 9.3.4— Does Phenomenology Yield a Classification of the Mental? |
• | 9.4— Phenomenology and Scientific Psychology |
9.5— Why Phenomenology Cannot Be Naturalized |
• | 9.5.1— The Argument from Epistemic Possibility (Cartesian Demons Revisited) |
• | 9.5.2— An Objection: Metaphysical and "Nomological" Sufficiency |
• | 9.5.3— The Phenomenological "What-It's-Like" |
• | 9.5.4— Perspective, Subjectivity, and the Logical Resources of Natural Science |
• | 9.5.5— The Objective Self and the Transcendental Ego |
• | 9.5.6— The Argument from the Character—Veridicality Distinction |
• | 9.5.7— Summary of Problems for Naturalizing Phenomenology |
9.6— Naturalizing Broad Content |
• | 9.6.1— Meaning Assignments |
• | 9.6.2— Meaningfulness |
• | 9.7— Naturalizing Narrow Content |
• | 9.8— Conclusion |
PART IV— AN ALTERNATIVE VISION |
Chapter Ten— An Alternative Approach to Computational Psychology |
10.1— A Story about the Maturation of Sciences |
• | 10.1.1— Copernicus, Galileo, Newton |
• | 10.1.2— Chemistry |
• | 10.2— The Appeal of a Mature Psychology |
• | 10.3— Computation, Mathematization, and Connectivity |
• | 10.4— The Implicit Form of Cognitive Psychology |
10.5— Intentionality |
• | 10.5.1— The Pure Logical Analysis of Intentionality |
• | 10.5.2— The Formal Description of Intentionality |
• | 10.5.3— Intentionality and the Realm of Nature |
• | 10.5.4— BCTM and Accounting for Intentionality |
10.6— A Reorientation in the Philosophy of Cognitive Science |
• | 10.6.1— A Better Description of Scientific Practice |
• | 10.6.2— Ideology and Theory—Bad Precedents |
• | 10.6.3— Scientific Progress without Naturalization |
• | 10.6.4— Comparisons with other Research Programmes |
• | 10.7— Computation and Its Competition |
Chapter Eleven— Intentionality Without Vindication, Psychology Without Naturalization |
• | 11.1— The Central Problem of Modern Philosophy |
• | 11.2— The "Received View" |
• | 11.3— Dialectical Possibilities |
11.4— Psychology, the Mental, and Causal-Nomological Explanation |
• | 11.4.1— The Verstehen Argument |
• | 11.4.2— Intentional Categories and Causal Relevance |
• | 11.4.3— Need Mentalistic Discourse Be Scientific to Be Legitimate? |
11.5— Intentionality, Materialism, and the Generality of Physics |
• | 11.5.1— Why Ontology Extends Beyond Science |
• | 11.5.2— Intentional Psychology, Ontology, Generality |
• | 11.6— The Commitments of the Special Sciences |
• | 11.7— Final Words |
APPENDIX |
Symbols and Machine Computation |
• | A.1— The Design Process and Semiotics |
• | A.2— The Functional Level |
• | A.3— Functional Architecture and Semiotics |
• | A.4— Markers in Computers |
• | A.5— Computer Signifiers |
A.6— The Counter Question |
• | A.6.1— Coding and Inherited Syntax |
• | A.6.2— Structured Representations |
• | A.6.3— Rule-Governed Syntactic Structures |
• | A.6.4— The Nature of the Computer's Syntactic "Sensitivity" |
A.7— Formal Rules and the System Question |
• | A.7.1— Causality, Functional Architecture, and Formal Rules |
• | A.7.2— The Machine Table and Formal Rules |
• | A.8— Computers and Intentions |
Notes |
• | INTRODUCTION |
• | Chapter One— The Computational Theory of Mind |
• | Chapter Two— Computation, Intentionality, and the Vindication of Intentional Psychology |
• | Chapter Three— "Derived Intentionality" |
• | Chapter Four— Symbols—An Analysis |
• | Chapter Five— The Semantics of Thoughts and of Symbols in Computers |
• | Chapter Six— Rejecting Nonconventional Syntax and Semantics for Symbols |
• | Chapter Seven— Semiotic-Semantic Properties, Intentionality, Vindication |
• | Chapter Eight— Causal and Stipulative Definitions of Semantic Terms |
• | Chapter Nine— Prospects for a Naturalistic Theory of Content |
• | Chapter Ten— An Alternative Approach to Computational Psychology |
• | Chapter Eleven— Intentionality Without Vindication, Psychology Without Naturalization |
• | APPENDIX |
BIBLIOGRAPHY |
INDEX |
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