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.

Algebra: Structure And Method, Book 1
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Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
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Chapter6: Fractions
Section6.6: Mixed Expressions
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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.

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.
Transcribed Image Text: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.
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