One of the basic (and frequently used) properties of cardinal exponentiation is that $(a^b)^c=a^{bc}$.
What is the proof of this fact?
As Arturo pointed out in his comment, in computer science this is called currying.
One of the basic (and frequently used) properties of cardinal exponentiation is that $(a^b)^c=a^{bc}$.
What is the proof of this fact?
As Arturo pointed out in his comment, in computer science this is called currying.
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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