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math set notation inclusive exclusive. This means that this group of numbers starts at 5 and continues for values greater than 5. Since A 4 5 6 7 8 because inclusive means including the endpoints and B 9 8 7 6 5 4 3 2 1 then their union is.
For example the interval from 1 to 2 inclusive means the closed interval written 1 2. We can list each element or member of a set inside curly brackets like this. For example the interval from 1 to 2 exclusive means the open interval written either 1 2 or 1 2.
This means that this group of numbers starts at 5 and continues for values greater than 5.
The logical connective that represents this operator is typically written as or. Common Symbols Used in Set Theory. Notice that there is a square or inclusive bracket on the left of this interval notation next to the 5. Defining sets by properties is also known as set comprehension set abstraction or as defining.