Index 419
closure, 212
commutative, 47
binary operation, 215
complement
of a set, 191
complete graph, 118, 135
concurrency, 8
conditional convergence, 278
conditional probability, 319
confidence interval, 382
for mean, 380, 385
for proportion, 389
confidence level, 380
connected graph, 110
containment, 185
continuous function, 248
continuous random variable, 317,
348
mean, 365
median, 365
mode, 365
standard deviation , 366
variance, 365
convergence
absolute, 277
conditional, 278
Dirichlet test, 281
of a sequence, 266
convex combination, 155
convolution, 261, 370
cosets, 235
cosine
addition formula, 39
law of, 24
coupon problem, 331
criminals, 75
cross ratio, 42
cycle
in a graph, 110
cyclic group, 224
cyclic quadrilateral, 35
Da Vince code, 93
De Morgan laws, 191
degree
of a vertex, 112
DeMoivre’s theorem, 99
density function, 349
derivative
of a function, 248
difference
of sets, 191
of subsets, 186
difference equation
Fibonacci, 106
homogeneous, 94
second order, 96
differentiable
function, 249
differential equation, 304
Bernoulli, 313
linear, 304
separable, 308
Dijkstra’s algorithm, 132
Dirichlet’s test for convergence, 281
discrete random variable, 317
discriminant, 161, 174
distribution, 318
distributions
binomial, 329
exponential, 358
geometric, 327
hypergeometric, 334