I am trying to figure out how to take the modulo of a fraction.
For example: 1/2 mod 3.
When I type it in google calculator I get 1/2. Can anyone explain to me how to do the calculation?
I have injection $f \colon A \rightarrow B$ and I want to get bijection. Can I just resting codomain to $f(A)$? I know that every function i...
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