Find the mistake in the following proof that for all sets
Chapter 6, Problem 6.73(choose chapter or problem)
Find the mistake in the following proof that for all sets A, B, andC, ifA B and B C then A C. Proof: Suppose A, B,andC aresetssuchthat A B and B C.SinceA B,thereisanelement x suchthat x A and x B. SinceB C, there is an element x such that x B and x C. Hence there is an element x such that x A and x C and so A C.
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