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FanofAFan
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Homework Statement
number of ring homomorphisms from [tex]Z[/tex] [tex]\rightarrow[/tex] [tex]Z[/tex]?
Homework Equations
The Attempt at a Solution
According to this information on ring homo, There is no ring homomorphism Zn → Z for n > 1. But I guess that doesn't hold for when n = 1, any ideas