natural number
For any set of numbers, with the normal operation of multiplication defined on the set, there is only one identity, and that is 1.
A set is not an operation.
set contains two kinds a negative and positive set
operation set
operation set
A set is a set and does not need an arithmetic operation.
Null Empty set- Singleton set-
The law of closure states that a set of numbers is closed under an operation if when the operation is performed on any two elements of the set the result is an element of the set
what happens when pollution alarm set point reached during operation
A set of number with a defined operation (e.g. addition, multiplication etc.), such that the outcome of the operation between any two numbers is also a member ot the set.
The main set operations are: union, intersection and complement.
In Set Theory: a set is closed under an operation if performance of that operation on members of the set always produces a member of the same set.In Topology: a closed set is a set which contains all its limit points.