Math Problem Statement
These tables define the operations of the circle with a + inside and the star on a set of four elements: 0, 1, 2, and 3. For example 1 (circle with + inside) 3 = 2, because 2 is in the box to the right of 1 and below 3 in the circle with a + inside's table. Is the set closed with respect to the circle with the + inside. Is it closed with respect to the star?
Solution
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Math Problem Analysis
Mathematical Concepts
Closure under operations
Formulas
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Theorems
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Suitable Grade Level
High school
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