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""Not"" and ""If"" | |
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Symbols and sentences | |
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From symbols to English and back | |
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Derivability and validity of symbolic arguments | |
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Validity of English arguments | |
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Fallacies | |
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Theorems | |
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Historical remarks | |
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Appendix | |
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""And,"" ""Or,"" ""If and Only If"" | |
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Symbols and sentences | |
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Translation and symbolization | |
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Inference rules and derivability | |
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Theorems with unabbreviated proofs | |
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Abbreviated derivations | |
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Theorems with unabbreviated proofs | |
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Arguments | |
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Truth-value analysis of sentences | |
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Truth-value analysis of arguments | |
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Historical remarks | |
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Appendix: list of theorems of chapters I and II | |
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Appendix: solutions to selected exercises | |
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""All"" and ""Some"" | |
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Variables, quantifiers, formulas | |
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Bondage and freedom | |
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Informal notational conventions | |
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Translation and symbolization | |
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Inference rules | |
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Derivations | |
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Theorems with unabbreviated proofs | |
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Abbreviated derivations | |
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Fallacies | |
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Theorems with abbreviated proofs | |
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Arguments | |
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Invalidity: truth-functional expansions and models | |
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Historical remarks | |
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Appendix: list of theorems of chapter III | |
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Appendix: solutions to selected exercises | |
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Appendix: summary of the system of logic developed in chapters I-III | |
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""All"" and ""Some,"" continued | |
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Terms and formulas | |
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Bondage and freedom | |
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Informal notational conventions | |
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Translation and symbolization | |
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Revised inference rules | |
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Theorems | |
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Invalidity: truth-functional expansions and models | |
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Invalidity: false arithmetical translations | |
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Arguments of English | |
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Historical remarks | |
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Appendix: list of theorems of chapter IV | |
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Appendix: solutions to selected exercises | |
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""Is"" (in one sense) | |
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Terms and formulas | |
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Translation and symbolization | |
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Inference rules | |
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Theorems | |
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Invalidity | |
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Historical remarks | |
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Appendix: list of theorems of chapter V | |
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Appendix: solutions to selected exercises | |
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""The"" | |
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Descriptive phrases, terms, formulas | |
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Bondage and freedom | |
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Informal notational conventions | |
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Translation and symbolization | |
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Inference rules | |
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Theorems | |
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Invalidity | |
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Arguments of English | |
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Historical remarks | |
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Appendix: list of theorems of chapter VI | |
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Appendix: solutions to selected exercises | |
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Additional Derivational Procedures | |
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Alphabetic variance | |
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Substitution | |
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Abbreviated derivations reconsidered | |
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biconditional derivations | |
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Formulas without overlay and prenex normal form, again | |
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Abbreviated derivations justified | |
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generalized priciples of interchange | |
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Historical remarks | |
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Appendix: list of theorems of chapter VII | |
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Appendix: solutions to selected exercises | |
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Appendix: summary of the system of logic developed in chapters I-VII | |
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""The"" again: A Russellian Theory of Descriptions | |
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The Fregean theory of chapter VI reconsidered | |
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A Russellian theory of descriptions | |
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Historical remarks | |
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Appendix: list of theorems of chapter VIII | |
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Appendix: solutions to selected exercises | |
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Appendix: summary of the Russellian system of logic developed in chapter VIII | |
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Automatic Procedures | |
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Introduction | |
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Tautologies reconsidered | |
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Tautological implication | |
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generalized indirect derivation | |
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A proof procedure for prenex formulas | |
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A derivation procedure for prenex arguments | |
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Conversion to prenex form | |
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A derivation procedure for arbitrary symbolic arguments | |
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A decision procedure for certain prenex formulas | |
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A decision procedure for certain prenex arguments | |
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Historical remarks | |
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Definitions: Formal Theories | |
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The vocabulary of formal languages | |
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Bondage and freedom | |
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proper substitution | |
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alphabetic varianc | |
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Informal notational conventions | |
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Derivability | |
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Formal theories | |
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the theory of commutative ordered fields | |
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Extensions of theories | |
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the theory of real numbers | |
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Definitions | |
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Variable-Binding Operators | |
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Definitions reconsidered | |
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The theory of convergence | |
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A sketch of further developments | |
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Historical remarks | |
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Appendix: list of constants used in chapters X and XI | |
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Appendix: list of axioms, definitions, and theorems of chapters X and XI | |
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Bibliography | |
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Index of Proper Names | |
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Index of Subjects | |