Explanation Calculation: The concept of less than or equal is used to compare the number like, 5 greater than 4 and it is mathematically written as, 5 > 4 The number x is greater than or equal to y and it is mathematically written as, x ≥ y The concept of subset or proper set used to compare the sets. A = { 1 , 2 , 3 , 4 } and B = { 1 , 2 , 3 , 4 , 5 } Mathematical relation between two set, A ⊂ B

A Problem Solving Approach To Mathematics For Elementary School Teachers (13th Edition)

13th Edition

ISBN: 9780135183885

Author: Rick Billstein, Shlomo Libeskind, Johnny Lott, Barbara Boschmans

Publisher: PEARSON

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Set Theory

Every field in the present world involves a set. The theory of sets was developed by German mathematician Georg Cantor while working on the “problems of trigonometric series”.

Question

Chapter 2.2, Problem 21MC

To determine

To explain:

The following statement.

“A student notices that the proper subset symbol (⊂) and the less than (<) look alike and the subset symbol and the less than or equal to (≤) symbol look alike.”

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Chapter 2.2, Problem 20MC

Chapter 2.2, Problem 22MC

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A Problem Solving Approach To Mathematics For Elementary School Teachers (13th Edition)

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The following statement. “A student notices that the proper subset symbol ( ⊂ ) and the less than ( < ) look alike and the subset symbol and the less than or equal to ( ≤ ) symbol look alike.”

Solution Summary: The author explains that the concept of less than or equal is used to compare the number like, 5 greater than 4 and it is mathematically written as, 5>4.

Concept explainers

To explain:

The following statement.

“A student notices that the proper subset symbol (⊂) and the less than (<) look alike and the subset symbol and the less than or equal to (≤) symbol look alike.”

Want to see the full answer?

Chapter 2 Solutions

The following statement. “A student notices that the proper subset symbol ( ⊂ ) and the less than ( &lt; ) look alike and the subset symbol and the less than or equal to ( ≤ ) symbol look alike.”

Solution Summary: The author explains that the concept of less than or equal is used to compare the number like, 5 greater than 4 and it is mathematically written as, 5>4.

Concept explainers

To explain: The following statement. “A student notices that the proper subset symbol (⊂) and the less than (<) look alike and the subset symbol and the less than or equal to (≤) symbol look alike.”

Want to see the full answer?

Chapter 2 Solutions

The following statement. “A student notices that the proper subset symbol ( ⊂ ) and the less than ( < ) look alike and the subset symbol and the less than or equal to ( ≤ ) symbol look alike.”

To explain:

The following statement.

“A student notices that the proper subset symbol (⊂) and the less than (<) look alike and the subset symbol and the less than or equal to (≤) symbol look alike.”