Question

B={x|x E N and 2≤x<7}

Answer 1

so you want to know what B is?

Answer 2

{2,3,4,5,6}

Answer 3

You are just looking for all the natural numbers that are between 2 and 7 INCLUDING 2.

Answer 4

I thought so, but the x|x confuses me

Answer 5

that is read x such that x is an element of the natural numbers

Answer 6

Exactly.^^

Answer 7

Set concepts are urking!

Answer 8

I can help with your set quirks xP

Answer 9

I'd like that

Answer 10

I'm sure vitale can as well :)

Answer 11

sure, I like set theory

Answer 12

coo

Answer 13

If I get the symbols down, I'm sure everything else with be easier

Answer 14

for all or for every:
\[\forall\]
there exists:
\[\exists\]
is an element of:
\[\in\]

such that:

|

those are a few common ones

Answer 15

U is union and the upside down U is intersection right?

Answer 16

Subset:\[\subset\]
Empty set:\[\emptyset\]

Yes.

Answer 17

ok

Answer 18

Vitale, I'll let you help him :P

Answer 19

k thats fine with me

Answer 20

malevolence are you a math student?

Answer 21

Thanks so much!

Answer 22

Yes sir :) Physics/mathematics double major.

Answer 23

me too!

Answer 24

im doing graduate in math though not physics

Answer 25

kardi do you have any problems you want to work on?

Answer 26

Nice :D What do you want to do? (research, teaching, specific interests?) I'm not meaning to convolute your thread :P

Answer 27

I just worked one out to see if I was correct, so I wil post it now.

Answer 28

I like modern algebra/analysis, but I'm more interested in the teaching aspect of being a professor than research I think, how about you?

Answer 29

*posted*

Answer 30

*posted*

Answer 31

Go ahead Kardi. I think I want to do stuff in complex analysis. I have taken one senior level class (I'm a senior in both majors) and I loved it. I am looking more towards the teaching too.

Answer 32

I'm sorry I'm back