The closed half-space Hn⊂RnH^n \subset\mathbb R^nHn⊂Rn is Hn={(x1,…,xn)∈Rn∣xi∈R,xn≥0}.H^n = \{(x_1,\dots,x_n)\in\mathbb R^n\mid x_i \in \mathbb R, x_n \geq 0\}.Hn={(x1,…,xn)∈Rn∣xi∈R,xn≥0}.
Wikidata ID: Q644719