Differences
This shows you the differences between two versions of the page.
Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
solution_set [2016/05/19 19:49] nikolaj |
solution_set [2016/05/19 20:58] nikolaj |
||
---|---|---|---|
Line 8: | Line 8: | ||
----- | ----- | ||
- | One can also define | + | This is also written $f^{-1}(\{y_0\})$, with $f^{-1}:{\mathcal P}Y\to{\mathcal P}X$. |
- | ^ $ \mathrm{sol}(f) \equiv f^{-1}(\{y_0\}) $ ^ | + | |
=== Reference === | === Reference === |