Add note.

finite-set-exercises
Joshua Potter 2023-09-21 06:15:17 -06:00
parent a8520e74bd
commit 0a3b8f082b
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\paragraph{($\Leftarrow$)}% \paragraph{($\Leftarrow$)}%
Suppose $\ran{f} = A$. Suppose $\ran{f} = A$.
TODO TODO: by induction?
\end{proof} \end{proof}