Translation guide
The number of elements in a set or the concept of counting quantity. In Japanese, this is expressed through technical terms in mathematics and computer science, as well as through everyday counting expressions.
The formal mathematical concept of the number of elements in a set, including infinite cardinalities.
The standard mathematical term for cardinality, used in set theory. Literally means 'density' or 'concentration', but in this context it refers to the size of a set.
The cardinality of the set of all real numbers is called the cardinality of the continuum.
Refers to cardinal numbers, often used interchangeably with 濃度 in set theory. Can also mean 'radix' in number systems.
The cardinality of a countable set is aleph-null.
Loanword from English, used in some academic contexts but less common than 濃度.
Check the cardinality of the database.
The number of distinct values in a database column or the number of rows in a table.
The simple idea of how many items are in a group, without technical jargon.
Please count the number of distinct values in this column.
箱の中のボールの個数を数える。
Count the number of balls in the box.