Category:General Sphere is Subspace of Closed Ball of Greater Dimension

This category contains pages concerning General Sphere is Subspace of Closed Ball of Greater Dimension:

Let $S^{n - 1}$ be an $\paren {n - 1}$-sphere of the real Euclidean space $\R^n$.

Then $S^{n - 1}$ is a subspace of the closed Euclidean ball $\map { {B_1}^-} 0$ of $\R^n$.