SUBJECT INDEX 595Summa de arithmetica, 60, 429
Sun Zi Suan Jing, 51, 135, 137, 145, 156,
164, 172, 210
Sun, altitude, 246, 261, 266, 268
surface, 8
flat, 375
minimal, 376
one-sided, 388
parameterized, 375
simply connected, 387
surveying, 30, 129, 233, 246, 260, 271, 327-
329
Surya Siddhanta, 23
Sushu Jiu Zhang, 415
symbol, 3, 410
symbolic logic, 452
symmetric group, 459
symmetric polynomial, 440, 460
Symposium Discourses, 286
Synagoge, 47, 142, 280, 296, 320, 322, 351
syntax, 537, 554
Syntaxis, 47, 55
Syracuse, 46, 285, 299
Taisei Sankyo, 53
Taiwan, 28
Tang Dynasty, 28
tangent, 260, 298, 330, 469
Fermat's construction, 464-465
tarot, 15
Tata Institute, 26
tatamu, 419
taxation, 157
taxes, 139
Taylor series, 476, 496, 501
Taylor's theorem, 486, 494, 539
telegraph, 192
tengen jutsu (algebra), 418
tensor analysis, 385
tensor product, 380
tetrahedron, volume, 257
Thabit quadrilateral, 333, 338, 339, 350
The Analyst, 63
The Connection of the Physical Sciences, 86
The Enfranchisement of Women, 86
The Fable of the Bees, 82
The Subjugation of Women, 86
The Utility of Mathematics, 276
The Woman Inventor, 79
Theatetus, 199
Thebes, 234
theorema egregium, 378
Thiorie analytique de chaleur, 499
Thiorie analytique des probabilites, 520
Theorie des fonctions analytiques, 490
Thiorie des nombres, 191
Theory of Functions of a Real Variable, 504
thermal energy, 525
thermodynamics, 523, 525-527
second law, 525
Thoiile, 325
three-line locus, 323, 354
thunder, 13
tian yuan (celestial element), 418
Timaeus, 168
time, 3, 7, 330, 476-477
measurement, 128
topology, 8, 15, 546, 551
torus, 276, 387
total curvature, 377
Toulouse, 187, 514
Tractatus de latitudinibus formarum, 330
tractrix, 343, 347, 395
Transactions of the Royal Irish Academy,
446
transcendental number, 203, 449
transfinite, 546
transfinite induction, 547
transformation groups, 54
trapezoid, 235, 266, 329
Trattato d'algebra, 429
Treatise on Optics, 335
Treatise on the Projective Properties of Fig-
ures, 367
Treviso, 144
triangle, 235, 262, 329
angle sum, 272
triangular number, 168
Trigonometries, 331
trigonometric functions, 259, 338, 472
trigonometric series, 477, 489, 502, 503
trigonometry, 22, 58, 60, 145, 233, 258-262,
330, 331, 341, 348, 417, 463, 474
plane, 60, 338
spherical, 60, 335, 338
Trinity College, Cambridge, 112
Triparty, 60, 430
Tripos Examination, 88, 94
trisection, 55, 274, 279-282, 313, 332, 335,
425, 433, 435, 449
trochoid, 355
Troy, 283
truncated icosahedron, 358
truth tables, 537
Tschirnhaus transformation, 442, 450
Turin, 190
Turing machine, 152
Turkey, 56, 270
two mean proportionals, 276, 286, 313, 314,
433, 435
Tzolkin, 38, 125, 128
Umayyad Empire, 22, 54
uncountable set, 549
undecidable, 552, 559
unicursal graph, 9, 15
uniform continuity, 391
uniform motion, 330