xiv CONTENTS OF VOLUME I. 



PAGE 



20. Logic and Psychology 33 



21. Logic and Rhetoric 34 



22. Logic and Grammar . . . . . . . . . -34 



23. Definitions of Logic 37 



24. Utility and Necessity of Logic ......... 38 



25. Sources and History of Logic 39 



PART I. 



CONCEPTS AND TERMS. 



CHAPTER I. 

 LOGICAL PROPERTIES AND DIVISIONS OF CONCEPTS AND TERMS. 



26. Mutual Relations of Term, Thought, and Thing 42 



27. Univocal and Equivocal Terms : Analogy and Metaphor ... 43 



28. Unive/sal or General, and Individual or Singular Terms : Basis and 



Nature of this Division 44 



29. Collective and Substantial Terms 46 



30. Intension and Extension of Concepts and Terms 48 



31. Subjective, Objective, and Conventional Intension: or, Content, Com 



prehension, and Connotation of Concepts and Terms ... 48 



32. Fixity and Limits of Connotation . 50 



33. Extension, Denotation, Application of Terms: Realm of Denotation: 



Universe of Discourse 52 



34. Relation between Intension and Extension 55 



35. Abstract and Concrete Terms 57 



36. Have Abstract Terms Extension or Denotation? Non-Denotative Terms 60 



37. Are Abstract Terms and Proper Names Connotative ? Non-Connotative 



Terms 62 



38. Opposition in Concepts and Terms: Kinds of Opposition: Material 



Contradictones ........... 64 



39. Formal Contradictiones : Positive and Negative Terms .... 65 



40. Contrary Terms 68 



41. Simple Repugnance : Privative Opposition ...... 69 



42. Absolute and Relative Concepts and Terms 70 



CHAPTER II. 

 THE PREDICABLES. 



43. What are the Predicates ? Aristotle s fourfold Scheme .... 72 



44. The Five Predicates : How to arrive at them. Essence and Connotation 73 



45. The Predicates Denned 76 



46. Genus a id Species : Porphyry s Tree : Species Infimae .... 77 



47. Differentia and Proprium: Connexion of Proprinm with Essence . . 8r 



48. Accident : Separable and Inseparable Accidents . . . . .86 



