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## Examples

If a Haar measure is done on the topological group ${\displaystyle (\mathbb {R} ,+)}$ (meaning the set is all real numbers and the binary operation is addition), the Haar measure takes the value of 1 on the closed interval from zero to one and is equal to a Lebesgue measure taken on the Borel subsets to all real numbers. This can be generalized to any dimension.

If the group G is all nonzero real numbers, then the Haar measure is given by $\mu (S)=\int _{S}{\frac {1}{|t|}}\,dt$