set
/ˈsɛt/
a collection of distinct objects considered as a whole
set in a sentence
“The set of prime numbers less than 10 is {2, 3, 5, 7}.”
Origin of set
From Old English settan to cause to sit
Related Words
subset
a set whose elements are all contained in another set
union
the set containing all elements from two or more sets
intersection
the set of elements common to two or more sets
cardinality
the number of elements in a set
bijection
a one-to-one correspondence between two sets
predicate
a statement containing variables that becomes true or false when values are assigned