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Sep
24
awarded  Autobiographer
Sep
7
awarded  Popular Question
Nov
21
accepted Big $\mathcal{O}$ notation problem
Nov
21
comment Big $\mathcal{O}$ notation problem
I didn't understand the last line
Nov
21
comment Big $\mathcal{O}$ notation problem
@copper.hat exactly.. You are correct
Nov
21
comment Big $\mathcal{O}$ notation problem
ok in simple terms how can I prove that n to the power two is not of bigO(n)
Nov
21
asked Big $\mathcal{O}$ notation problem
Nov
21
accepted Constructing a group with subsets
Nov
21
awarded  Commentator
Nov
21
comment Constructing a group with subsets
can we have a single element with a BINARY operation and call it a group?
Nov
21
awarded  Supporter
Nov
21
asked Constructing a group with subsets
Oct
29
accepted Can elements in a set be duplicated?
Oct
29
awarded  Student
Oct
29
comment Can elements in a set be duplicated?
@BrianM.Scott Thank you.
Oct
29
comment Can elements in a set be duplicated?
yes.the number of elements in A. Should it be 7 or 8?
Oct
29
comment Can elements in a set be duplicated?
what about n(A)?
Oct
29
asked Can elements in a set be duplicated?
Oct
28
comment How to prove associativity
So you are saying that I need to prove for all choices? You mean I have to write all of them?
Oct
28
asked How to prove associativity