Category:Definitions/Numbers
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This category contains definitions related to Numbers.
Related results can be found in Category:Numbers.
There are five main classes of number:
- $(1): \quad$ The natural numbers: $\N = \set {0, 1, 2, 3, \ldots}$
- $(2): \quad$ The integers: $\Z = \set {\ldots, -3, -2, -1, 0, 1, 2, 3, \ldots}$
- $(3): \quad$ The rational numbers: $\Q = \set {p / q: p, q \in \Z, q \ne 0}$
- $(4): \quad$ The real numbers: $\R = \set {x: x = \sequence {s_n} }$ where $\sequence {s_n}$ is a Cauchy sequence in $\Q$
- $(5): \quad$ The complex numbers: $\C = \set {a + i b: a, b \in \R, i^2 = -1}$
Subcategories
This category has the following 22 subcategories, out of 22 total.
A
C
D
E
G
I
N
O
P
Q
R
S
T
Z
Pages in category "Definitions/Numbers"
The following 40 pages are in this category, out of 40 total.