集合を表記するには、{1,2,3}のように元を書き並べる。の英語

The set of real numbers is closed under addition.

Prove that P is a poset.

any set of points that satisfy a set of postulates of some kind

a number equal to or less than any other number in a given set

the number designating place in an ordered sequence

form or arrange in order or formation, as of a body of soldiers

in numerical order (1,

any notation for the representation of numbers

a geometric progression written as a sum

the largest integer that divides without remainder into a set of integers

a matrix whose elements are all real numbers

a mathematical symbol called ordinal number

the whole set

use binary numbers

the altering of the sequence of a set in mathematics, called permutation

a positional system of numeration that uses binary digits and a radix of two

a number represented in fixed-point notation

in mathematics, a line of numbers arranged according to certain rules, called a series

to unify separate organizations into one entity

a sequence of numbers, called arithmetic progression

a mathematical sequence of numbers called a harmonic sequence

in olden times in Japan, a word used to count suits of armor or Japanese costume

the ordinal number of thirty-three in counting order

capable of being expressed as a quotient of integers

A convergent sequence is bounded.

The number `one' begins the sequence

arithmetic in which computation proceeds by sixties, called sexigesimal arithmetic

the quotient of two integers

code using a string of 8 binary digits to represent characters

the act of changing the arrangement of a given number of elements