On the classification of σ(B)-measurable functions defined on an abstract point set
J. Novák (1962)
Fundamenta Mathematicae
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J. Novák (1962)
Fundamenta Mathematicae
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A. Alexiewicz (1953)
Studia Mathematica
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James Brooks, Jan Mikusiński (1972)
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W. Orlicz (1954)
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W. Orlicz (1950)
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Leon Cohen (1927)
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The purpose of this paper is to give a new proof of the following Lusin's theorem: Théorème: If f(x) is a measurable function defined on the interval I: 0 ≤ x ≤ 1, then for every ϵ > 0 there is a set A ⊂ I such that f(x) is continuous on A and m(I-A) < ϵ.
Jaroslav Pelant (1979)
Czechoslovak Mathematical Journal
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R. Mauldin (1971)
Fundamenta Mathematicae
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