Math Symbols The Most Valuable and Important Symbols For Set Notation In Use:
"Element of a Set"
Background - why math symbols are used. . .
Symbols are a concise way of giving lengthy instructions related to
numbers and logic.
Symbols are an invention, not a discovery. They are a
communication tool. Symbols are used to eliminate
the need to write long, plain language instructions to describe
calculations and other processes.
The most valuable, most frequently used "Math" Symbols . . .
The most important, most frequently used Symbols for Set Notation
are listed below.
Symbols for Set Notation - click symbol
Symbol for "Element of a Set" -
a A means the small letter a is part of the set identified by the letter A.
Example 1:
, Set A: A = {a, b, c, d}
Set "A" contains the following elements: a, b, c, d
a is an "element" of Set A
a A
Example 2:
, Set B: B = {1, 3, 9, 11}
Set "B" contains the following numbers: 1, 3, 9, 11
9 is an "element" of Set B
9 B
Example 3:
, Set C: C = {dog, cat, bird,
horse, rabbit}
Set "C" contains the following elements: dog, cat, bird, horse, rabbit
rabbit is an "element" of Set C
rabbit C
|