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| Coolidge J.L. — The Elements of Non-Euclidean Geometry |
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| Предметный указатель |
Richmond 184
Riemann 46 53 67 275
Riemannian hypothesis 46
Right and left generators of Absolute 94 124 125 234
Right and left parataxy 99 208 225
Right and left translations 99 100 245
Right angle 32 34 39 279
Right angle, triangle 32 44 45 55
Russell 74
Saccheri 43 50
Salmon 134
Scalene triangles 34 35
Schlaefli 183 184 185
schur 13 275
Segment 15 16 17 18 23 24 25 26 28
Segre 119
Semi-hyperbola 142
Semi-hyperboloid 154
Sense of directed distances 63 64
Sense of directed distances of description of involution 86 266
Separation 248 249 255 256 257 258 259 262
Separation classes 247 249 255 257 258
Separation, harmonic 252 253 254 257
Sides of angle 30 31
Sides of angle, of quadrangle 252
Sides of angle, of quadrilateral 43 252
Sides of angle, of triangle 19 31 32 35 36
Similitude, centres of 134 135 136
Sine of distance from pointto plane 70
Sines, law of 58 59
Singular region 238
Space 20 21 22 78 238—246 250 251
Sphere 73 74 138-41 156 227 228
Spheres, representing 227 228
Spherical space 83
Spheroid 155 156
Staeckel 43
Staude 162
Stephanos 108
Stolz 24
Story 142
Strip 128 129
Study 91 93 99 116 123 125 126 229 234
Sturm 233
Sum of angles 32 34
Sum of angles of a triangle 45 46
| Sum of distances 14-17 92 93
Sum of distances connected with a conic 145 148 149
Sum of distances connected with a quadric 160
Sum of two sides of triangle 35
Supplementary angles 32
Surface integral 175
Symmetry transformations 98 99 127
Synectic congruence 120 122
Tait 286
Tangent plane to surface 194 195
Tannery 273
Tensor 98
Terminal point 62
tetrahedron 20 21 181 182 183
Thread construction 169
Torsion 190 191 192 203 207
Transformations, congruent 29 37 38 69 70 73 74 80 82 92—100 239 268 269 270 271 278 279 280
Translations 62 63 100 128 239 240 245 246
triangle 18 19 31—35 170 172 174 175 176 177
Triangles, congruent 31
Trirectangular quadrilateral 43
Ultra-infinite elements 85 187
Umbilical points 162
Vahlen 13 24 75 247 260 265
Vailati 248 254
Veblen 13 19 76 247
Veronese 13 74
Vertex of angle 30 31
Vertex of angle of quadrangle 252
Vertex of angle of quadrilateral 252
Vertex of angle of tetrahedron 20
Vertex of angle of triangle 19
Vertical angles 32 34
Volume 181 182
Volume of cone 185
Volume of sphere 186
Volume of tetrahedron 182 183 184 185
Volume, integral 182
Von Frank 186
Von Staudt 86 87 89 267
Voss 188
Weber 46
Weierstrass 142
Within a segment 15 18
Within a triangle 19
Woods 237 245 246 279
Young 247
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