You could wrap your solution in a FiniteSet and attempt an Intersection:
>>> nonlinsolve([x**2 - 2*y**2 -2, x*y - 2], [x, y])
{(-2, -1), (2, 1), (-sqrt(2)*I, sqrt(2)*I), (sqrt(2)*I, -sqrt(2)*I)}
>>> _.intersect(S.Naturals**2)
{(2, 1)}
On Monday, May 27, 2019 at 5:14:02 AM UTC-5, Simone Perriello wrote:
>
> Well, the title says pretty much everything. Is it possible to restrict
> the domain of nonlinsolve to solve, say, only for real numbers?
> Restrictions on the domain of symbols doesn't seem to work for nonlinsolve,
> while works well with the simple solve.
>
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