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# What is the principle of closure math?

Wiki User

2016-04-05 23:06:32

When you combine any two numbers in a set the result is also in that set.

e.g. The set of whole numbers is closed with respect to addition, subtraction and multiplication. i.e. when you add, subtract or multiply two numbers the answer will always be a whole number.

But the set of whole numbers is NOT closed with respect to division as the answer is not always a whole number e.g. 7÷5=1.4 The answer is not a whole number.

Wiki User

2016-04-05 23:06:32
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## A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Wiki User

2016-03-25 20:57:35

The answer depends on the context. Sets (or intervals) can be open or closed, or semi-open. In a different context, sets can be closed (or not) with respect to some operation (addition, division, something else) defined on element of the set. Without that context, it is not possible to answer the question.