What does equal value mean in math?

Related questions

1. What is the theme of a wrinkle in time?
2. What is the black thing in a wrinkle in time?
3. Does equality mean treating everyone the same?
4. How much more meaning?
5. What can equal 150?
6. What means this symbol?
7. Why does inequality exist?
8. What does it mean to be neutral?
9. What does it mean to be equally yoked in marriage?
10. What does fair skin mean?

Tags

1. #equal
2. #denote
3. #elements
4. #value
5. #theory
6. #means
7. #extensionality
8. #usual
9. #often
10. #number
11. #axioms
12. #expressed
13. #called
14. #axiom
15. #example
16. #property
17. #expressions
18. #object