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Ordinal number
Meaning
Noun
●
In Grammar:
A
word
that
expresses
the
relative
position
of an
item
in a sequence.
●
In Arithmetic, Numbers & Parts of speech:
A
natural number
used to
denote
position
in a sequence.
●
In Set theory:
Such a number
generalised
to
correspond
to any
cardinal number
(the
size
of some set);
formally
, the
order type
of some
well-ordered
set of some
cardinality
a, which
represents
an
equivalence class
of
well-ordered
sets
(exactly those of
cardinality
a) under the
equivalence relation
"existence of an order-preserving bijection".
Sourced from
Wiktionary
Synonyms
Ordinal
Ordinal Numeral
Antonyms
Cardinal
Cardinal Number
Cardinal Numeral
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