Add note.

2023-09-21 06:15:17 -06:00 · 2023-09-21 06:15:17 -06:00 · 0a3b8f082b
parent a8520e74bd
commit 0a3b8f082b
1 changed files with 1 additions and 1 deletions
--- a/Bookshelf/Enderton/Set.tex
+++ b/Bookshelf/Enderton/Set.tex
@ -9604,7 +9604,7 @@
    \paragraph{($\Leftarrow$)}%

      Suppose $\ran{f} = A$.
-      TODO
+      TODO: by induction?

  \end{proof}