The Principles of Logic (Paperback)

Preface; Preface to first edition; Book I. Judgment: 1. The general nature of judgment; 2. The categorical and hypothetical forms of judgment; 3. The negative judgment; 4. The disjunctive judgment; 5. Principles of identity, contradiction, excluded middle, and double negation; 6. The quantity of judgments; 7. The modality of judgments; Book II. Part I. The General Nature of Inference: 1. Some characteristics of reasoning; 2. Some erroneous views; 3. A general idea of inference; 4. Principles of reasoning; 5. Negative reasoning; 6. Two conditions of inference; Book II. Part II. Inference Continued: 1. The theory of association of ideas; 2. The argument from particulars to particulars; 3. The inductive method of proof; 4. Jevons' equational logic.