A boundedness principle for the Hjorth rank

DOI10.1007/S00153-021-00788-1OpenAlexW3181841139MaRDI QIDQ2118176

Ohad Drucker

Publication date: 22 March 2022

Published in: Archive for Mathematical Logic (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s00153-021-00788-1

zbMATH Keywords

equivalence relationsdescriptive set theoryPolish group actions

Mathematics Subject Classification ID

Descriptive set theory (03E15) Classes of sets (Borel fields, (sigma)-rings, etc.), measurable sets, Suslin sets, analytic sets (28A05) Descriptive set theory (topological aspects of Borel, analytic, projective, etc. sets) (54H05)

Cites Work

• Scott sentences and admissible sets
• Model Theory
• Invariant Borel sets
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