Let's say we have a≡xmodb and a≡ymodc. Is there any way to find the relationship between x and y for nontrivial (a>b and/or a>c) moduli?
How about a specific example, such as
a≡xmodb vs a≡ymod2b,
or
a≡xmodb vs a≡ymod2b−1.
I have injection f:A→B and I want to get bijection. Can I just resting codomain to f(A)? I know that every function i...
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