×
×

# Solved: Prove that the set of positive rational numbers is ISBN: 9780073383095 37

## Solution for problem 56E Chapter 4.3

Discrete Mathematics and Its Applications | 7th Edition

• Textbook Solutions
• 2901 Step-by-step solutions solved by professors and subject experts
• Get 24/7 help from StudySoup virtual teaching assistants Discrete Mathematics and Its Applications | 7th Edition

4 5 1 293 Reviews
12
4
Problem 56E

Prove that the set of positive rational numbers is countable by setting up a function that assigns to a rational number p/q with gcd(p, q) = 1 the base 11 number formed by the decimal representation of p followed by the base 11 digit A, which corresponds to the decimal number 10, followed by the decimal representation of q.

Step-by-Step Solution:
Step 1 of 3

Psych 2300: Psychology Research Methods 6/15 & 6/17 Four Validities - Validity: appropriateness of a conclusion or decision Construct Validity  Operationalization of a variable  Applies to all claims  Is this a reasonable way of quantifying what I want to understand  Assessing creativity  measure x : is x a reasonable way to measure creativity...

Step 2 of 3

Step 3 of 3

##### ISBN: 9780073383095

Unlock Textbook Solution