Which set is closed under subtraction?

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asked May 1, 2021 136k views

1 Answer

Robaticus · Answer 1 · 2021-05-05T08:21:56+0000

Answer:

The rational numbers are "closed" under addition, subtraction, and multiplication. Under division, we run into the problem of division by 0, which makes the statement that "the rationals are closed under division" false.

Explanation:

Which set is closed under subtraction?

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