# zbMATH — the first resource for mathematics

An example of a function with multiple ambiguities. (English) Zbl 0318.26003

##### MSC:
 26A03 Foundations: limits and generalizations, elementary topology of the line 03E15 Descriptive set theory 28A05 Classes of sets (Borel fields, $$\sigma$$-rings, etc.), measurable sets, Suslin sets, analytic sets 54H05 Descriptive set theory (topological aspects of Borel, analytic, projective, etc. sets) 26A21 Classification of real functions; Baire classification of sets and functions 54A20 Convergence in general topology (sequences, filters, limits, convergence spaces, nets, etc.)
Full Text: