What (who) is ordinal number - definition
ordinal number
ORDER TYPE OF A WELL-ORDERED SET
Ordinal numbers; Von Neumann ordinal; Ordinal Number; Ordinal (mathematics); Transfinite ordinal number; Transfinite ordinal numbers; Finite ordinal number; Ordinal number (finite); Transfinite sequence; Ω (ordinal number); Ordinal number (mathematics); O (ordinal number); Ordinal number (set theory); Least infinite ordinal; Second number class; First number class; Omega (set theory); Ω+1; First infinite ordinal; First infinite ordinal number; Countable ordinals; Countable ordinal; Von Neumann definition of ordinals; Von Neumann encoding; Number class; Omega (ordinal); Von Neumann ordinals
¦ noun a number defining a thing's position in a series, such as 'first' or 'second'.
ordinal number
ORDER TYPE OF A WELL-ORDERED SET
Ordinal numbers; Von Neumann ordinal; Ordinal Number; Ordinal (mathematics); Transfinite ordinal number; Transfinite ordinal numbers; Finite ordinal number; Ordinal number (finite); Transfinite sequence; Ω (ordinal number); Ordinal number (mathematics); O (ordinal number); Ordinal number (set theory); Least infinite ordinal; Second number class; First number class; Omega (set theory); Ω+1; First infinite ordinal; First infinite ordinal number; Countable ordinals; Countable ordinal; Von Neumann definition of ordinals; Von Neumann encoding; Number class; Omega (ordinal); Von Neumann ordinals
(ordinal numbers)
An ordinal number or an ordinal is a word such as 'first', 'third', and 'tenth' that tells you where a particular thing occurs in a sequence of things. Compare cardinal number
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Ordinal number
ORDER TYPE OF A WELL-ORDERED SET
Ordinal numbers; Von Neumann ordinal; Ordinal Number; Ordinal (mathematics); Transfinite ordinal number; Transfinite ordinal numbers; Finite ordinal number; Ordinal number (finite); Transfinite sequence; Ω (ordinal number); Ordinal number (mathematics); O (ordinal number); Ordinal number (set theory); Least infinite ordinal; Second number class; First number class; Omega (set theory); Ω+1; First infinite ordinal; First infinite ordinal number; Countable ordinals; Countable ordinal; Von Neumann definition of ordinals; Von Neumann encoding; Number class; Omega (ordinal); Von Neumann ordinals
In set theory, an ordinal number, or ordinal, is a generalization of ordinal numerals (first, second, th, etc.) aimed to extend enumeration to infinite sets.
