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Find a set A (subset of R,set of real numbers) and an element a of R
such that there is no bijecton from a+A(we add a to the set A)to A.
I can't find a good example. Can someone help
Are we done if we choose the empty set? (And is the empty set a subset of R?)
Thank you
such that there is no bijecton from a+A(we add a to the set A)to A.
I can't find a good example. Can someone help
Are we done if we choose the empty set? (And is the empty set a subset of R?)
Thank you