| | PAGE |
| Editor’s Note | [3] |
| Abbreviations | [9] |
| CHAPTER |
| I. | The Indefinables of Logic | [11] |
| II. | Objective Validity of the “Laws of Thought” | [15] |
| III. | Identity | [16] |
| IV. | Identity of Classes | [18] |
| V. | Ethical Applications of the Law of Identity | [19] |
| VI. | The Law of Contradiction in Modern Logic | [21] |
| VII. | Symbolism and Meaning | [22] |
| VIII. | Nominalism | [24] |
| IX. | Ambiguity and Symbolic Logic | [26] |
| X. | Logical Addition and the Utility of Symbolism | [27] |
| XI. | Criticism | [29] |
| XII. | Historical Criticism | [30] |
| XIII. | Is the Mind in the Head? | [31] |
| XIV. | The Pragmatist Theory of Truth | [32] |
| XV. | Assertion | [34] |
| XVI. | The Commutative Law | [35] |
| XVII. | Universal and Particular Propositions | [36] |
| XVIII. | Denial of Generality and Generality of Denial | [37] |
| XIX. | Implication | [39] |
| XX. | Dignity | [43] |
| XXI. | The Synthetic Nature of Deduction | [45] |
| XXII. | The Mortality of Socrates | [48] |
| XXIII. | Denoting | [53] |
| XXIV. | The | [54] |
| XXV. | Non-Entity | [56] |
| XXVI. | Is | [58] |
| XXVII. | And and Or | [59] |
| XXVIII. | The Conversion of Relations | [60] |
| XXIX. | Previous Philosophical Theories of Mathematics | [61] |
| XXX. | Finite and Infinite | [63] |
| XXXI. | The Mathematical Attainments of Tristram Shandy | [64] |
| XXXII. | The Hardships of a Man with an Unlimited Income | [66] |
| XXXIII. | The Relations of Magnitude of Cardinal Numbers | [69] |
| XXXIV. | The Unknowable | [70] |
| XXXV. | Mr. Spencer, the Athanasian Creed, and the Articles | [73] |
| XXXVI. | The Humour of Mathematicians | [74] |
| XXXVII. | The Paradoxes of Logic | [75] |
| XXXVIII. | Modern Logic and some Philosophical Arguments | [79] |
| XXXIX. | The Hierarchy of Jokes | [81] |
| XL. | The Evidence of Geometrical Propositions | [83] |
| XLI. | Absolute and Relative Position | [84] |
| XLII. | Laughter | [86] |
| XLIII. | “Gedankenexperimente” and Evolutionary Ethics | [88] |
| Appendixes | [89] |