382 LISTS OF SYMBOLS
Arbitrary union and intersection (resp.), p. 290
Direct product of an arbitrary collection, p. 291
A field F, p. 295
Additive and multiplicative identities, additive and
multiplicative inverses of an element a, in a field, p. 295
The integers modulo m, p. 297
Algebraic structure of all polynomials in variable x,
with real coefficients, p. 298
Ordered field F with positive part 9, p. 304
Absolute value of x, in an ordered field, p. 307
Distance from x to y, in an ordered field, p. 308
Real and imaginary parts of a complex number z, p. 32
Complex conjugate and modulus of a complex number
z, p. 322
Polar form of a complex number z, p. 325
Successor of a positive integer m, p. 331