Is this a correct use of the Order Limit Theorem?

In summary, the Order Limit Theorem, also known as the Monotone Convergence Theorem, is a fundamental theorem in real analysis that states if a sequence of real numbers is increasing and bounded above, then the sequence will converge to its supremum (or least upper bound). It is used in various fields of science, such as physics, economics, and statistics, to prove the convergence of sequences and to calculate limits of functions. The Order Limit Theorem holds if the sequence is increasing and bounded above, and can only be applied to sequences that meet these conditions. Some real-world examples of its application include proving the convergence of infinite series in physics, analyzing financial markets in economics, and calculating probabilities in statistics.
  • #1
jdinatale
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Homework Statement


Limits, if they exist, must be unique

Homework Equations


Order Limit Theorem:

Assume [itex] \lim a_n = a [/itex] and [itex] \lim b_n = b [/itex].

(ii) If [itex]a_n \leq b_n[/itex], for all [itex]n \in \mathbf{N}[/itex], then [itex]a \leq b[/itex]

The Attempt at a Solution



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  • #2
Looks fine to me.
 

FAQ: Is this a correct use of the Order Limit Theorem?

What is the Order Limit Theorem?

The Order Limit Theorem, also known as the Monotone Convergence Theorem, is a fundamental theorem in real analysis that states if a sequence of real numbers is increasing and bounded above, then the sequence will converge to its supremum (or least upper bound).

How is the Order Limit Theorem used in science?

The Order Limit Theorem is used in various fields of science, such as physics, economics, and statistics, to prove the convergence of sequences and to calculate limits of functions. It is also used to show that certain mathematical models accurately represent real-world phenomena.

What are the conditions for the Order Limit Theorem to hold?

The Order Limit Theorem holds if the sequence is increasing and bounded above. In other words, the terms of the sequence must be getting closer and closer to a finite value (the supremum) and cannot exceed this value.

Can the Order Limit Theorem be applied to any sequence?

No, the Order Limit Theorem can only be applied to sequences that meet the necessary conditions, such as being increasing and bounded above. If these conditions are not met, the theorem cannot be used to prove the convergence of the sequence.

What are some real-world examples of the Order Limit Theorem?

An example of the Order Limit Theorem in action is in the field of physics, where it is used to prove the convergence of infinite series in theories of relativity and quantum mechanics. It is also used in economics to analyze the behavior of financial markets and in statistics to calculate probabilities and confidence intervals.

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