Twosetsareiftheycontainexactlythesameelements 3

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Unformatted text preview: bol stands for the phrase is an element of, and stands for is not an element of. The ___________________________________________ of a set is the number of elements of the set. Two sets are ________________________ if they contain exactly the same elements. 3 17 Sets Notes Filled In.notebook February 03, 2014 For very large or infinite sets, it is impractical or impossible to list every element. Instead, we use set­builder notation. For example, if G is the set of all negative numbers, then we can describe it as: This is read as “the set of all x such that x is less than zero and x is a real number.” 4 17 Sets Notes Filled In.notebook February 03, 2014 Ex. 2: Describe each of the following in words. a) b) {persons | the person is a living former U.S. president} c) {women | the woman is a former U.S. president} How many elements does the set in Ex. 2c have? 5 17 Sets Notes Filled In.notebook February 03, 2014 When a set has no elements, it is called an _______________________________ and is denoted by...
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