Let S be the set of all finite sequences of letters a, b, c. For example, the following are elements of S: abaaccbcbcaaa, ababc, cccaa. Is S countable? Justify your answer.
Let S be the set of all finite sequences of letters a, b, c. For example, the following are elements of S: abaaccbcbcaaa, ababc, cccaa. Is S countable? Justify your answer.
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section: Chapter Questions
Problem 3CC: (a) What is a combination of r elements of a set? How many combinations are there of n elements...
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Let ? be the set of all finite sequences of letters a,b,c.
For example, the following are elements of ?: abaaccbcbcaaa, ababc, cccaa.
Is ? countable? Justify your answer.
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