Solve Set Logic Homework: A∩B

[nirajnishad]

Homework Statement

X={n/n belongs to N,X>=4}
B={x belongs N/ x<5}

Homework Equations

then,
A intersection B=________

 

[Office_Shredder]

Your post has several errors in it. There's no A until the final line of your post and your set X contains only elements such that X>=4 which doesn't make any sense.

I assume your intended question is
A= \{x\ :\ x\in \mathbb{N}\ &amp;\ x\geq4 \}
B=\{x\ :\ x\in \mathbb{N}\ &amp;\ x&lt;5 \}

and you want to find A\cap B

You have to show what work you've done so far. How have you tried to solve the problem?

 

[HallsofIvy]

Assuming, as Office Shredder suggests, that your sets are
A= \{n |n\in \mathbb{N} , \ n\ge 4\}
and
B= \{n| n\in \mathbb{N} ,\ n&lt; 5\}

Can you list some members of A and b? What natural numbers are greater than or equal to 4? What natural numbers are less than 5?

 

[dharavsolanki]

The problem is solved already. Look at the last post. I guess the problem right now is that you are attempting to imagine or list down the members...

Lesson Learnt:
Step 1 : imagine the set constraints/description
Step 2 : List the ocntents of the set and imagine a pattern