Some examples in the theory of Borel sets. (English) Zbl 0222.54046
MSC:
54H05 | Descriptive set theory (topological aspects of Borel, analytic, projective, etc. sets) |
03E15 | Descriptive set theory |
54H05 | Descriptive set theory (topological aspects of Borel, analytic, projective, etc. sets) |
03E15 | Descriptive set theory |