Let E be an alphabet. Consider strings u, v, w e E. Prove that the concatenation...
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Let E be an alphabet. Consider strings u, v, w e E. Prove that the concatenation operation is associative (i.e. (uv)w = u(vw)). Let E be an alphabet. Consider strings u, v, w e E. Prove that the concatenation operation is associative (i.e. (uv)w = u(vw)).
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