MATH: Unit 1 set theory

0.0(0)
studied byStudied by 0 people
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
Card Sorting

1/10

encourage image

There's no tags or description

Looks like no tags are added yet.

Study Analytics
Name
Mastery
Learn
Test
Matching
Spaced

No study sessions yet.

11 Terms

1
New cards

{ }


set: a collection of elements

ex. A = {1, 7, 9, 13, 15, 23},

B = {7, 13, 15, 21}

2
New cards

what are numbers in the list called

elements

3
New cards

∈

Is a member of

4
New cards

|

Such that

5
New cards
6
New cards

A ⊆ B

subse: subset has few or all, or no elements equal to the set

7
New cards

Ø

Empty set: also a subset

8
New cards

A’

complement: all the objects that DO NOT belong to set A

9
New cards

A ∩ B

intersection( MEANS AND) Elements that belong to both the sets, A and B

10
New cards

A ∪ B

union (OR) Elements that belong to set A or set B

11
New cards

DISJOINTED SET

have no elemnts in common