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Let $\mathrm{A}=\{a, b\}, \mathrm{B}=\{a, b, c\} .$ Is $\mathrm{A} \subset \mathrm{B} ?$ What is $\mathrm{A} \cup \mathrm{B}$ ?

Algebra

Chapter 1

Sets

Section 4

Finite and Infinite Sets

Equations and Inequalities

Missouri State University

Oregon State University

Harvey Mudd College

University of Michigan - Ann Arbor

Lectures

00:34

What is the union of sets …

03:04

Let $A$ and $B$ be sets. S…

04:00

Let $A, B,$ and $C$ be set…

00:59

Show that if $A$ and $B$ a…

09:40

a. Describe in words the s…

04:22

What can you say about the…

01:05

Let $A=\{a, b, c, d, e\}$ …

00:57

Let $A=\{\mathbf{a}, \math…

00:22

Fill in each blank with th…

00:46

06:24

Show that if $A, B,$ and $…

07:07

06:53

Prove or disprove that for…

01:55

03:06

Assume that A is a subset …

04:24

00:56

The intersection of sets $…

02:23

00:39

Let $A=\{1,3,5,7\},$ let $…

03:25

Given, say E equal to equal maybe said equal to E. Human be coma. See? So here you can see that is a subset of B. Because every element of A is an element of said B. So here we can see yes, he. It's absurd or be. Now we have to find the E union be. So you can see that here we get E. Come on, baby. Almost see equal to B. So here the value of a union be equal to be. So it is our answer.

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