SOLUTION: 7) A student says that A = {1, {1}} has only one element. How do you respond?

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Question 176321: 7) A student says that A = {1, {1}} has only one element. How do you respond?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Is {1} a set with the name of 1 or is it a repetition of the first element?