Let \(X\) and \(Y\) be sets. A map \(f\colon X\to Y\) is constant if there exists \(y_0\in Y\) such that \(f(x) = y_0\) for every \(x\in X\).
Constant map
D-VZS33
D-VZS33
Let \(X\) and \(Y\) be sets. A map \(f\colon X\to Y\) is constant if there exists \(y_0\in Y\) such that \(f(x) = y_0\) for every \(x\in X\).