What is cloure property

The sum of any two integers is an integer.Ten we say that integers are closed under addition.Hence,
If  A and B are any two integers then A+B  is also an integer.
Similarly.....
The difference of any two integer is an integer. Then we say that integers are closed under substraction.Hence,
If A and B are any two integers then A-B is also an integer.
This is closure property of an integer.

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