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Math

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PROBLEM

Математикт aa нь AA олонлогийн элемент мөн бол aAa \in A, элемент биш бол aAa \notin A гэж тэмдэглэх ба үүнийг aa элемент A олонлогт харьяалагдана (харьяалагдахгүй ) гэж уншина. AA олонлог нь эерэг тоон олонлог бол -8 гэсэн тоо AA олонлогт харьяалагдах уу? харьяалагдахгүй юу?

STEP 1

Assumptions
1. The set A A is defined as the set of positive numbers.
2. A positive number is any number greater than zero.
3. The number in question is 8-8.

STEP 2

Determine whether 8-8 is a positive number.
A positive number is greater than zero. Since 8-8 is less than zero, it is not a positive number.

STEP 3

Conclude whether 8-8 belongs to the set A A .
Since 8-8 is not a positive number, it does not belong to the set A A .

SOLUTION

Express the conclusion using set notation.
Since 8-8 is not a positive number, we write 8A-8 \notin A.
The number 8-8 does not belong to the set A A of positive numbers.

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