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- Homework Statement
- I have this set of points defined for ##x , y\in \mathbb Z##. What condtitions do we need to describe it?

- Relevant Equations
- ##|x| \le |y|##

It is clear that one part of the solution is ##|x|\le |y|##, but that is not enough. We need another condition to get rid of some points. How to find it?

I tried to write down some x-values and their y-value and tried to find a pattern, but I didn't see it. Any help?

I tried to write down some x-values and their y-value and tried to find a pattern, but I didn't see it. Any help?