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JC Liu. MACM101 Discrete Mathematics I. 18.1. Language: Set theory of strings. Alphabet: A nonempty finite set of symbols, SS={0,1}, S={a,b,c,d,e}Power of SRecursive definitionS1= SSn 1={xy | x in S, y in Sn} xy is the juxtaposition of x and yE.g., S={0,1}, then S2={00,01,10,11}How many in
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