Acknowledgments; Introduction; Part I Frege; 1 Biography
2 Logic before 1879; Stoic logic; Aristotelian logic; Supposition; Kinds of entity; Relations; Transcendental logic; Empiricism and idealism; Boole
3 Begriffsschrift I: Foundations of Logic; The aim of the concept-script; The judgment stroke; The content stroke; Axioms, basic laws and rules; Tone and conceptual content; Function and argument; Greek and Latin letters
4 Begriffsschrift II: Propositional Logic; Syntax; Semantics; Rules and basic laws
5 Begriffsschrift III: QuantificationSyntax; Semantics; Rules and basic laws
6 Begriffsschrift IV: Identity; Syntax; Semantics; Basic laws
7 Begriffsschrift V: The Ancestral; Defining the ancestral; Logic as non-trivial; Impredicativity
8 Early Philosophy of Logic; Psychologism and empiricism; Judgment and truth; Defining the scope of logic; Metalogic
9 The Hierarchy; Levels; Applications; Concept and object; Objecthood and identity
10 Grundlagen I: The Context Principle; Semantic incompleteness; The Lockean model; Concept and object again
11 Grundlagen II: Arithmetical Truth; Game formalism; Leibniz; The a posteriori; Analytic or synthetic?
12 Grundlagen III: Numbers; Numbers of what?; Numbers as non-linguistic; Numbers as objects; Numbers as self-subsistent; Numbers as non-actual; Numbers as objective; Numbers as abstract; Numbers as logical
13 Grundlagen IV: The Formal Project; Numerically definite quantifiers; Hume's Principle; Section 64; Deriving arithmetic; The Julius Caesar problem again; Other definitions
14 Sense and Reference I: Singular Terms; Rejection of the Begriffsschrift theory; The sense of a singular term; Names and descriptions; Internalist and externalist conceptions of sense
15 Sense and Reference II: Sentences; The reference of a sentence; Thoughts; Referring to thoughts
16 Sense and Reference III: Concept-Words; Unsaturated senses; Concepts; The concept horse
17 Grundgesetze I: Types; Syntax; Semantics; Wittgenstein's objection again; Truth and taking as true
18 Grundgesetze II: Extensions; Extensions and value-ranges; Semantics; The contradiction; Logical objects again
19 The Frege-Hilbert Correspondence; The Foundations of Geometry; Deductivism; Uniqueness; Existence and consistency; Frege's 1906 definition
20 Late Writings; The structure of the realm of reference; Thought and language; Sameness of sense; Indexicals; Idealism
21 Frege's Legacy; Logic; Language; Mathematics. Part II Russell
23 Bradley; Absolute idealism; Russell's conversion
24 Geometry; Metric geometry; First deduction of metric geometry; Second deduction of metric geometry; Dimension; Geometry and physics; Deduction of descriptive geometry; Public and private space
25 McTaggart; The Tiergarten programme; The paradoxes of relativity
26 German Mathematics; The continuum; The infinitely large.
