Solution set
Set
| context | $ X $ |
| context | $ \langle Y,y_0 \rangle $ … pointed set |
| context | $ f:X\to Y $ |
| definition | $ S := \{x\mid f(x)=y_0\}$ |
$S=f^{-1}(\{y_0\})$ where $f^{-1}:{\mathcal P}Y\to{\mathcal P}X$.
Reference
Wikipedia: Solution set
Context
Related
