Sets in Finite Mathematics

Mathematics
Tutor: None Selected Time limit: 1 Day

  1. What is a Set?  Give an example
  2. When are two sets equal?  Give an example of two equal sets
  3. What is the empty set?  Give an example
Aug 5th, 2014

Set's are just numbers. It is a set of numbers. You use this bracket: {} But it's just a set of numbers.

An example of a set is {1,2,3,4}  That set has 4 numbers.

Two sets are equal if they have the exact same numbers. The numbers don't have to be in the same order, but they must be the same. Example:

{1,2,3,4}  and {3,2,1,4}  These set's are equal. They have the same numbers in them.

An empty set has no numbers in it at all:

{}  Nothing going on there.

But empty set's are subsets of all set's.

Subsets are a different subject. If you need help understanding it, let me know.

Aug 5th, 2014

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Aug 5th, 2014
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