# What are the following commands telling us? R=Integers() [R.ideal([a,b]) == R.ideal([gcd(a,b)]) for a in range(1,20) for b in range(1,20)]

What are the following commands telling us?

```
R=Integers()
[R.ideal([a,b]) == R.ideal([gcd(a,b)]) for a in range(1,20) for b in range(1,20)]
```

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