Paddy3118
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# 17 Actions

 Dec16 awarded Caucus Sep24 awarded Autobiographer Sep18 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. Sep17 awarded Critic Sep17 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! Feb12 answered MENSA IQ Test and rules of maths Feb10 awarded Teacher Feb10 answered How many positive integers $< 1{,}000{,}000$ contain the digit $2$? Dec4 awarded Scholar Dec4 accepted hypothesis testing: A better fly killer Nov22 answered hypothesis testing: A better fly killer Nov14 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. Nov14 awarded Student Nov14 asked hypothesis testing: A better fly killer May26 awarded Editor May12 awarded Supporter Jan16 awarded Tumbleweed