Question

closure properties example​

Answer 1

$\fcolorbox{orange}{aqu}{Answer:}$

Example => the positive integers are closed under addition, but not under subtraction: is not a positive integer even though both 1 and 2 are positive integers.....♥

Answer 2

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$\huge {\underline {\underline {\mathrm {\blue {Answer♡}}}}}$

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Example => the positive integers are closed under addition, but not under subtraction: is not a positive integer even though both 1 and 2 are positive integers

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