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Sets Sets Shana Meacham Shana Meacham

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Sets. Shana Meacham. Review. Review. Finite vs. Infinite. Review. Finite vs. Infinite Finite: where Infinite: Not finite. Finite vs. Infinite Finite: where Infinite: Not finite. Notation. Review. Finite vs. Infinite Finite: where Infinite: Not finite. - PowerPoint PPT Presentation

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Page 1: Sets

SetsSets

Shana MeachamShana Meacham

Page 2: Sets

ReviewReview

Page 3: Sets

ReviewReview

Finite vs. InfiniteFinite vs. Infinite

Page 4: Sets

ReviewReview

Finite vs. InfiniteFinite vs. Infinite Finite:Finite:

where where

Infinite: Infinite: Not finite.Not finite.

n,...,3,2,1

.n

,...,1,,...,3,2,1 nn

Page 5: Sets

ReviewReview

Finite vs. InfiniteFinite vs. Infinite Finite:Finite:

where where

Infinite: Infinite: Not finite.Not finite.

NotationNotationn,...,3,2,1

.n

,...,1,,...,3,2,1 nn

Page 6: Sets

ReviewReview

Finite vs. InfiniteFinite vs. Infinite Finite:Finite:

where where

Infinite: Infinite: Not finite.Not finite.

NotationNotationn,...,3,2,1

.n

,...,1,,...,3,2,1 nn

,

Page 7: Sets

DefinitionDefinition

DefinitionDefinition Set: a Set: a finitefinite or or infiniteinfinite

collection of objects in collection of objects in which order has no which order has no significance.significance.

Page 8: Sets

ExamplesExamples

.

Page 9: Sets

ExamplesExamples

DefinitionDefinition Set: a Set: a finitefinite or or infiniteinfinite

collection of objects in collection of objects in which which order has no order has no significance.significance.

ExampleExample

1.1.

.

5,4,3,2,1A

1,4,2,3,5

Page 10: Sets

ExamplesExamples

DefinitionDefinition Set: a Set: a finitefinite or or infiniteinfinite

collection of objects in collection of objects in which order has no which order has no significance.significance.

ExampleExample

1.1.

.

2. All professional sports players.

5,4,3,2,1A

1,4,2,3,5

Page 11: Sets

ExamplesExamples

DefinitionDefinition Set: a Set: a finitefinite or or infiniteinfinite

collection of objects in collection of objects in which order has no which order has no significance.significance.

ExampleExample

1.1.

.

2. All professional sports players.

3. MTED 301 teachers.

5,4,3,2,1A

1,4,2,3,5

Page 12: Sets

ExamplesExamples

Finite or Finite or infinite?? ExampleExample

1.1.

.

2. All professional sports players.

3. MTED 301 teachers.

5,4,3,2,1A

1,4,2,3,5

Page 13: Sets

ExamplesExamples

Finite or Finite or infinite??

Finite

Finite

Finite

ExampleExample

1.1.

. All professional sports

players. MTED 301 teachers.

5,4,3,2,1A

1,4,2,3,5

Page 14: Sets

ExamplesExamples

Examples of infinite setsExamples of infinite sets1.1. The IntegersThe Integers

,...3,2,1,0

Page 15: Sets

SubsetsSubsets

DefinitionDefinition Subset: a set Subset: a set

contained within a set.contained within a set.

Page 16: Sets

SubsetsSubsets

DefinitionDefinition Subset: a set Subset: a set

contained within a set.contained within a set.

ExamplesExamples

1.1. If , If , then then somesome examples of examples of subsets of are:subsets of are:

1,4,2,3,5A

AA

3,2,1B

Page 17: Sets

SubsetsSubsets

DefinitionDefinition Subset: a set Subset: a set

contained within a set.contained within a set.

ExamplesExamples

2.2. If X is the set of all If X is the set of all professional sports professional sports players, then some players, then some subsets of X are:subsets of X are:

The set of all The set of all professional baseball professional baseball playersplayers

((Ramin Samari)Ramin Samari)

Dodgers

Page 18: Sets

SubsetsSubsets

DefinitionDefinition Subset: a set Subset: a set

contained within a set.contained within a set.

ExamplesExamples

2.2. If T is the set of all If T is the set of all MTED 301 teachers, MTED 301 teachers, then some subsets of T then some subsets of T are:are:

Bishop

Bishop Hamidian,

Page 19: Sets

ReviewReview

Finite vs. Infinite SetsFinite vs. Infinite Sets Definition of SetDefinition of Set Examples of SetsExamples of Sets Definition of SubsetsDefinition of Subsets Examples of SubsetsExamples of Subsets

Page 20: Sets

Next TimeNext Time

Consider doing some researchConsider doing some research Unions of SetsUnions of Sets Intersections of SetsIntersections of Sets Bring in some examplesBring in some examples

Page 21: Sets

FinFin