How do you write all real numbers except 0?

To express all real numbers except 0, we can use the notation for real numbers, denoted by the symbol , and exclude 0 from this set.

Mathematically, this can be represented as:

ℝ \ {0}

Here, \ is the set difference symbol, indicating that we are taking the set of all real numbers and removing the element 0 from it.

This representation includes all positive and negative numbers, fractions, irrational numbers, and so on, but explicitly excludes zero.

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