Knoledge_v0

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lambehorn
2025-12-19 13:39:24 +05:00
parent e97ecdf4dc
commit 422861cb0b
165 changed files with 2282 additions and 0 deletions

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$y=f(x),x\in V\subseteq D(y);y\in W\subseteq E(y)$
$y=f(x)$ - сюрьективна, если: $\begin{cases}\forall y\in W\exists x\in V:f(x)=y\\ f^{-1}(W)\subseteq V\end{cases}$