Introduction to Analysis : The Real Number System

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Example Questions

Example Question #1 :Ordered Field And Completeness Axioms

Identify the following property.

On the spacewhere,only one of the following statements holds true,, or.

Possible Answers:

Existence of Multiplicative Identity

Transitive Property

Distributive Law

Trichotomy Property

Multiplicative Property

Correct answer:

Trichotomy Property

Explanation:

The real number system,contains order axioms that show relations and properties of the system that add completeness to the ordered field algebraic laws.

The properties are as follows.

Trichotomy Property:

Given,only one of the following statements holds true,, or.

Transitive Property:

For,, andwhereandthen this implies.

Additive Property:

For,, andwhereandthen this implies.

Multiplicative Properties:

For,, andwhereandthen this impliesandandthen this implies.

Therefore looking at the options the Trichotomy Property identifies the property in this particular question.

Example Question #2 :Ordered Field And Completeness Axioms

Identify the following property.

For,, andwhereandthen this implies.

Possible Answers:

Distribution Laws

Trichotomy Property

Transitive Property

Additive Property

Multiplicative Properties

Correct answer:

Transitive Property

Explanation:

The real number system,contains order axioms that show relations and properties of the system that add completeness to the ordered field algebraic laws.

The properties are as follows.

Trichotomy Property:

Given,only one of the following statements holds true,, or.

Transitive Property:

For,, andwhereandthen this implies.

Additive Property:

For,, andwhereandthen this implies.

Multiplicative Properties:

For,, andwhereandthen this impliesandandthen this implies.

因此看选项传递公关operty identifies the property in this particular question.

Example Question #3 :Ordered Field And Completeness Axioms

Identify the following property.

For,, andwhereandthen this implies.

Possible Answers:

Multiplicative Properties

Distribution Laws

Additive Property

Transitive Property

Trichotomy Property

Correct answer:

Additive Property

Explanation:

The real number system,contains order axioms that show relations and properties of the system that add completeness to the ordered field algebraic laws.

The properties are as follows.

Trichotomy Property:

Given,only one of the following statements holds true,, or.

Transitive Property:

For,, andwhereandthen this implies.

Additive Property:

For,, andwhereandthen this implies.

Multiplicative Properties:

For,, andwhereandthen this impliesandandthen this implies.

Therefore looking at the options the Additive Property identifies the property in this particular question.

Example Question #4 :Ordered Field And Completeness Axioms

Identify the following property.

For,, andwhereandthen this impliesandandthen this implies.

Possible Answers:

Additive Property

Multiplicative Properties

Distribution Laws

Transitive Property

Trichotomy Property

Correct answer:

Multiplicative Properties

Explanation:

The real number system,contains order axioms that show relations and properties of the system that add completeness to the ordered field algebraic laws.

The properties are as follows.

Trichotomy Property:

Given,only one of the following statements holds true,, or.

Transitive Property:

For,, andwhereandthen this implies.

Additive Property:

For,, andwhereandthen this implies.

Multiplicative Properties:

For,, andwhereandthen this impliesandandthen this implies.

Therefore looking at the options the Multiplicative Properties identifies the property in this particular question.

Example Question #1 :The Real Number System

Determine whether the following statement is true or false:

Ifis a nonempty subset of, thenhas a finite infimum and it is an element of.

Possible Answers:

True

False

Correct answer:

True

Explanation:

According to the Well-Ordered Principal this statement is true. The following proof illuminate its truth.

Supposeis nonempty. From there, it is known thatis bounded above, by.

Therefore, by the Completeness Axiom the supremum ofexists.

Furthermore, ifhas a supremum, then, thus in this particular case.

Thus by the Reflection Principal,

exists and

.

Therefore proving the statement in question true.

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