Mathematics for IGCSE & O level - Sets (Section 4 - No. 3)
Which statement is correct regarding the cardinality of a set?
Cardinality refers to the sum of all the elements in the set.
Cardinality refers to the number of elements in a set.
Cardinality is a set operation used to combine two sets.
Cardinality refers to the size of a set.
解释
Cardinality refers to the number of elements in a set.