Numarul de functii surjective

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Radu Titiu
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Numarul de functii surjective

Post by Radu Titiu »

Aflati numarul de surjectii de la \( \{1,2,...,n\} \) la \( \{1,2,...,m\} \).
A mathematician is a machine for turning coffee into theorems.
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Marius Mainea
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Post by Marius Mainea »

aici
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