Index

Abbe, Ernst, viii, 31, 41-42, 44, 47, 57, 63, 65, 92, 98
On the Conformity to Law of the Distribution of Errors, 60
Frege's mentor, 32-55, 64, 80, 94, 104
and Grassmann, 46-55
influence on Boegehold, 99-100
interest in determinant theory, 54
Kantian leanings, 77
lectures on method of least squares, 62
lectureship at Physical Society of Frankfurt, 48
life of, 32-33, 75
mathematical virtuosity, 61
number theory, 83-84, 90n107, 94
as philosopher, 76-77
as Riemannian, 77-79
scholarly ancestry and, 95
social reformer, 33, 91n108
Straubel's scientific mentor, 98
as student of foundations, 75, 79, 82-87, 89
work on kinematics, 82
work on optics, 66-75, 90, 92-93, 100
Zeiss collaboration, 74, 79, 83, 91n108, 97

Abbe sine condition, 71, 90

Abbe-Hensen statistical analysis, 62n49

academic genealogy. See scholarly ancestry

academic philosophy, superficial aspects of, 103

affine transformations, 14

Ahlfors, Lars, 79

'analytic,' 34

analytic truth, 91

Angelelli, Ignacio, 129

Anselm, Saint, Archbishop of Canterbury, 22-23

antisemitism, 91n108

Apelt, Ernst, 33, 45-46, 56, 58-59, 64, 75, 92
Die Theorie der Induction, 39

apochromatic lenses, 69-70, 74n75, 100, 103

arithmetic, 49-50, 87, 119, 159

arithmetical laws, 36, 38
derivable from logical laws, 34-35

astronomy, 56

Auerbach, Felix, 75, 76n78, 90

Bachmann, Paul, 78

Baconian empiricism, 76

Bayes's theorem, 57

Beaney, Michael, 152

bearers of truth, 19-21

Begriffe, 42

Begriffsschrift, 32, 75, 92
analogy with microscope, 31-32, 34, 36-37
Schroeder's review of, 40n8

biological faculty at Jena, 41

biological method, 74

biologically based models of human behaviour, 2

biology, 39

Bjerknes, Carl, 78

Black, Max, 127

Boegehold, Hans, 104
Abbe's influence on, 99-100
contact with Frege, 98
contributions to field of optics, 100
passion for history, 101

Boolean tradition, 40n8

bounded rationality, 4

Bradwardine, Thomas, 26-27, 27n1, 28-29

BRAG, 21, 27-28

Burge, Tyler, 160

Buridan, Jean, 19-21, 23, 26-29

cardinal numbers, 88

cardinality, 149

cardinality contents, 175

Carnap, Rudolph, 66, 95-96

carvings, viii, 146-47, 157-58
alternative carvings, 149
bad carvings, 160-63
conjunctive recarving, 170n17
motivation for, 149
recarvings of contents, 157-58

cases, 156, 175

cases, sets of, 158, 162

categorical preference relations, 9-10

Cauchy, Augustin-Louis, 84, 161

Cauchy-Riemann equations, 79

causality, 42

'c-command,' 96

chemical metaphor, 127

chi-squared (χst, 60-61, 63, 90

chromatic aberration, 69-70

Clebsch, Alfred, 47

common sense, 15-16, 52

complex function theory, 79

computation, 51

computational capacity, 3

Concept and Object (Frege), 121, 129

'the concept horse is not a concept,' viii, 123, 129-32, 134

"the concept positive number," 130

'the concept prime,' 123

conceptual analysis replacing computation, 51

'conceptual modality,' 155

confirmation, 167-68, 170

Conflation Problem, 156-57, 162-63

conjunctive recarving, 170n17

'contact transformations,' 81

content, 147, 155, 158, 175
Frege's early notion of conceptual content, 152

implication relations, 171, 174

respecting external nature of, 171-74

respecting internal nature of, 163-66
sharing, 154

content, roads to down from sense, 151-53
up from truth-value, 150-51, 153

content carving. See carvings

content for sentences, 151

content is sense hypothesis, 146

content-identity, 145-46

continuous magnitude, 87

contour integration, 61

convexity, 15-16

Copernicus, 43

correspondence, 21-24, 26, 29

Correspondence mathématique et physique publiéé (Quetelet), 61

Courtenay, William, 27n1

Crailsheim, Alexander, 48-49, 55, 84, 91n108

credal states, 7, 8n2, 15-16

Darwin, Charles, 42, 74n76

Darwinism, 42-43

Davidson, Donald, 9, 152

decision-making behaviour, 2, 7-8. See also preference; rational choice

Dedekind, Richard, 38, 77

deduction theorems, 26

Descartes, René, 36, 161

determinant theory, 54, 61

differential calculus, 42, 84

diffraction, 70

dimensionality, 137-40

'Dimensions of truth' (Herzberger), 21

direction, concept of, 142, 145-46

Dirichlet, Johann Peter Gustav Lejeune, 77

discrete magnitude, 87

disjunctive syllogism, 20

disjunctivitis, 164

doctrine of unsaturated entities, 126

Dohrn, Anton, 41-42, 43n13, 55

Drobisch, Moritz, 39

duds, 160, 175

Dummett, Michael, Frege: Philosophy of Language, 128

Duns Scotus, John, 20, 23 Question on the Prior Analytics, 19, 27n1

E-admissibility, 8n2

early childhood development, 44

eight-hour...