The set $T[a,b]$ of all step functions defined on a closed real interval \([a,b]\) is a subspace of the vector space of all real-valued functions $f:[a,b]\to\mathbb R$.

| | | | | created: 2017-08-02 12:59:47 | modified: 2020-01-08 12:24:04 | by: *bookofproofs* | references: [581]

(none)

[581] **Forster Otto**: “Analysis 1, Differential- und Integralrechnung einer Veränderlichen”, Vieweg Studium, 1983