A condition for the given point to be included in the domain?

Question

If we have two domains, it is possible to check whether one domain is inside another domain:
domain1 = Rectangle[{-2.5, -2.5}, {2.5, 2.5}];
domain2[R_] := Disk[{0, 0}, R]
condition[R_] := Boole @ RegionWithin[domain1, domain2[R]]

Now, let us consider a point
point[x_,y_] = {x,y}

Is it possible to check whether the point belongs to the region using something like RegionWithin (like PointWithin (?))?

Ulrich Neumann · Accepted Answer

Try
RegionMember[domain1, {1, 1}]
(*True*)

cvgmt · Answer

For a point, we can also use RegionWithin since we can consider the region Disk[{x0,y0},0]
domain1 = Rectangle[{-2.5, -2.5}, {2.5, 2.5}];
RegionWithin[domain1, Disk[{1, 1}, 0]]

True

A condition for the given point to be included in the domain?

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