- equinumerous sets
- мат. равномощные множества
Большой англо-русский и русско-английский словарь. 2001.
equinumerous sets
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one-to-one correspondence — Two sets can be put into one to one correspondence when to each element of one there corresponds one element of the other, and to each distinct element of the one a different element of the other. Counting is an operation that puts n membered… … Philosophy dictionary
logic, history of — Introduction the history of the discipline from its origins among the ancient Greeks to the present time. Origins of logic in the West Precursors of ancient logic There was a medieval tradition according to which the Greek philosopher … Universalium
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Cardinal assignment — In set theory, the concept of cardinality is significantly developable without recourse to actually defining cardinal numbers as objects in theory itself (this is in fact a viewpoint taken by Frege; Frege cardinals are basically equivalence… … Wikipedia
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Equinumerosity — In the field of mathematics, two sets A and B are equinumerous if they have the same cardinality, i.e., if there exists a bijection f : A → B . This is usually denoted:A approx B , or A sim B.The study of cardinality is often called… … Wikipedia
Beth number — In mathematics, the infinite cardinal numbers are represented by the Hebrew letter aleph (aleph) indexed with a subscript that runs over the ordinal numbers (see aleph number). The second Hebrew letter eth (beth) is used in a related way, but… … Wikipedia
New Foundations — In mathematical logic, New Foundations (NF) is an axiomatic set theory, conceived by Willard Van Orman Quine as a simplification of the theory of types of Principia Mathematica. Quine first proposed NF in a 1937 article titled New Foundations for … Wikipedia
