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Math Symbols
The Most Valuable and Important
Symbols For Set Notation In Use:

"Null Set (Empty Set)"

Math - Null Set

Math Symbols: . . . why math symbols are used . . .

Symbols are a concise way of giving lengthy instructions related to numbers and logic.

Symbols are a communication tool. Symbols are used to eliminate the need to write long, plain language instructions to describe calculations and other processes.

For example, a single symbol stands for the entire process for addition. The familiar plus sign eliminates the need for a long written explanation of what addition means and how to accomplish it.

The same symbols are used worldwide . . .

The symbols used in mathematics are universal.

The same math symbols are used throughout the civilized world. In most cases each symbol gives the same clear, precise meaning to every reader, regardless of the language they speak.

The most valuable, most frequently used Symbols in mathematics . . .

The most important, most frequently used Symbols for Set Notation are listed below.

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Math - Null Set Symbol for Null Set (Empty Set) -

A Null Set Null Set is a set which contains nothing (no elements).

Using the Null Set Symbol Null Set

Set A is inhabited, and contains the following four elements:
                 a, b, c, d.

          A = {a, b, c, d}

Set Null Set (Null Set) is empty. It contains no elements:

          Null Set = {}

The notations Null Set and {} are equivalent to one another. They mean exactly the same thing.

Because a Null Set contains no elements, it is also called an Empty Set. The two terms are synonyms for one another.

Another term which is also used as a synonym for a null set is Negligible Set. A negligible set is any set which is so small (relative to the problem you are trying to solve) that it can be ignored.

Null Set (Null Set) is not the same as the number 0 (zero). The number 0 (zero) is a whole number.