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OpenStudy (sweetshiva9963):
If A _ {1, 2, 3, 4, 5, 6, 7}, define _ on A by (x, y) ∈ _ if x − y is a multiple of 3.
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OpenStudy (zzr0ck3r):
define _ is a set in R^2?
OpenStudy (sweetshiva9963):
yea. I just not sure the rest
OpenStudy (zzr0ck3r):
it does not make sense to say define a set on a set, from what I know... And if _ is an operation then the other part of the question does not make sense... IM confused.
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