set Whole number is not closed with respect to substraction.
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The set of whole numbers is "closed" underaddition and multiplication. Integers: ... 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 areclosed under division" false.
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The set of whole numbers is "closed" under addition and multiplication. Integers: ... 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.
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