Paddy3118
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# 17 Actions

 Dec 16 awarded Caucus Sep 24 awarded Autobiographer Sep 18 comment Why can't a set have two elements of the same value? If the curly bracket notation shows the members of a set then it may be valid, but not useful to show a member of a set more than once. If the notation is of a function taking those items to produce a set then B would be OK, but his question is "why can't sets contain duplicate elements", for which the answer is clearly Clintons - because then it would not be a set - as commonly interpreted rather than some Humpty-Dumpty-esque private meaning of sets such as that from Nick in another comment on this answer. Sep 17 awarded Critic Sep 17 comment Why can't a set have two elements of the same value? -1 on this as it is not how a set is defined (See Clintons answer). If asked to show the members of a set then no member should be seen more than once! Feb 12 answered MENSA IQ Test and rules of maths Feb 10 awarded Teacher Feb 10 answered How many positive integers $< 1{,}000{,}000$ contain the digit $2$? Dec 4 awarded Scholar Dec 4 accepted hypothesis testing: A better fly killer Nov 22 answered hypothesis testing: A better fly killer Nov 14 comment hypothesis testing: A better fly killer I am in the midst of learning about hypothesis testing at the moment. Thanks for the link to the other Q&A - I'll follow that lead too. Thanks. Nov 14 awarded Student Nov 14 asked hypothesis testing: A better fly killer May 26 awarded Editor May 12 awarded Supporter Jan 16 awarded Tumbleweed