A System of Logic, Ratiocinative and Inductive

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Eighth Edition.

New York:

Harper & Brothers, Publishers,

Franklin Square.



Preface To The First Edition.

Preface To The Third And Fourth Editions.


Book I. Of Names And Propositions.

Chapter I. Of The Necessity Of Commencing With An Analysis Of Language.
Chapter II. Of Names.
Chapter III. Of The Things Denoted By Names.
Chapter IV. Of Propositions.
Chapter V. Of The Import Of Propositions.
Chapter VI. Of Propositions Merely Verbal.
Chapter VII. Of The Nature Of Classification, And The Five Predicables.
Chapter VIII. Of Definition.

Book II. On Reasoning.

Chapter I. Of Inference, Or Reasoning, In General.
Chapter II. Of Ratiocination, Or Syllogism.
Chapter III. Of The Functions And Logical Value Of The Syllogism.
Chapter IV. Of Trains Of Reasoning, And Deductive Sciences.
Chapter V. Of Demonstration, And Necessary Truths.
Chapter VI. The Same Subject Continued.
Chapter VII. Examination Of Some Opinions Opposed To The Preceding Doctrines.

Book III. Of Induction.

Chapter I. Preliminary Observations On Induction In General.
Chapter II. Of Inductions Improperly So Called.
Chapter III. Of The Ground Of Induction.
Chapter IV. Of Laws Of Nature.
Chapter V. Of The Law Of Universal Causation.
Chapter VI. On The Composition Of Causes.
Chapter VII. On Observation And Experiment.
Chapter VIII. Of The Four Methods Of Experimental Inquiry.
Chapter IX. Miscellaneous Examples Of The Four Methods.
Chapter X. Of Plurality Of Causes, And Of The Intermixture Of Effects.
Chapter XI. Of The Deductive Method.
Chapter XII. Of The Explanation Of Laws Of Nature.
Chapter XIII. Miscellaneous Examples Of The Explanation Of Laws Of Nature.
Chapter XIV. Of The Limits To The Explanation Of Laws Of Nature; And Of Hypotheses.
Chapter XV. Of Progressive Effects; And Of The Continued Action Of Causes.
Chapter XVI. Of Empirical Laws.
Chapter XVII. Of Chance And Its Elimination.
Chapter XVIII. Of The Calculation Of Chances.
Chapter XIX. Of The Extension Of Derivative Laws To Adjacent Cases.
Chapter XX. Of Analogy.
Chapter XXI. Of The Evidence Of The Law Of Universal Causation.
Chapter XXII. Of Uniformities Of Co-Existence Not Dependent On Causation.
Chapter XXIV. Of The Remaining Laws Of Nature.
Chapter XXV. Of The Grounds Of Disbelief.

Book IV. Of Operations Subsidiary To Induction.

Chapter I. Of Observation And Description.
Chapter II. Of Abstraction, Or The Formation Of Conceptions.
Chapter III. Of Naming, As Subsidiary To Induction.
Chapter IV. Of The Requisites Of A Philosophical Language, And The Principles Of Definition.
Chapter V. On The Natural History Of The Variations In The Meaning Of Terms.
Chapter VI. The Principles Of A Philosophical Language Further Considered.
Chapter VII. Of Classification, As Subsidiary To Induction.
Chapter VIII. Of Classification By Series.

Book V. On Fallacies.

Chapter I. Of Fallacies In General.
Chapter II. Classification Of Fallacies.
Chapter III. Fallacies Of Simple Inspection; Or A Priori Fallacies.
Chapter IV. Fallacies Of Observation.
Chapter V. Fallacies Of Generalization.
Chapter VI. Fallacies Of Ratiocination.
Chapter VII. Fallacies Of Confusion.

Book VI. On The Logic Of The Moral Sciences.

Chapter I. Introductory Remarks.
Chapter II. Of Liberty And Necessity.
Chapter III. That There Is, Or May Be, A Science Of Human Nature.
Chapter IV. Of The Laws Of Mind.
Chapter V. Of Ethology, Or The Science Of The Formation Of Character.
Chapter VI. General Considerations On The Social Science.
Chapter VII. Of The Chemical, Or Experimental, Method In The Social Science.
Chapter VIII. Of The Geometrical, Or Abstract, Method.
Chapter IX. Of The Physical, Or Concrete Deductive, Method.
Chapter X. Of The Inverse Deductive, Or Historical, Method.
Chapter XI. Additional Elucidations Of The Science Of History.
Chapter XII. Of The Logic Of Practice, Or Art; Including Morality And Policy.