Let A be the set of all strings of 0’s, 1’s, and 2’s of
Chapter 8, Problem 9E(choose chapter or problem)
Let A be the set of all strings of 0’s, 1’s, and 2’s of length 4. Define a relation R on A as follows: For all s, t ? A,s R t ? the sum of the characters in s equals the sum of the characters in t.a. Is 0121 R 2200?________________b. Is 1011 R 2101?________________c. Is 2212 R 2121?________________d. Is 1220 R 2111?
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