There are several ways to prove the existence of limit in higher number problem. Besides monotone bounded criterion, are there any other ways to prove the existence of limit? Thank you!

There are several ways to prove the existence of limit in higher number problem. Besides monotone bounded criterion, are there any other ways to prove the existence of limit? Thank you!


There is also the pinch rule. Greater than a function. Less than a function. The limit of these two functions is the same. There is a limit. These two are commonly used