Let S be the set of all strings of a’s and b’s. Define a
Chapter 8, Problem 3E(choose chapter or problem)
Problem 3E
Let S be the set of all strings of a’s and b’s. Define a relation R on S as follows: For all t ∈ S,
s R t ⇔ l(s) ≤ l(t),
where l(x) denotes the length of a string x. Is R antisymmetric? Prove or give a counterexample.
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