Kanovej, V. G. On the structure of the constituents of \(\Pi^1_1\)-sets. (Russian) Zbl 0518.03018 Sib. Mat. Zh. 24, No. 2(138), 56-76 (1983). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Review MSC: 03E15 Descriptive set theory 03B25 Decidability of theories and sets of sentences 03C55 Set-theoretic model theory 03D05 Automata and formal grammars in connection with logical questions Keywords:sieve; constituent; Borel class; tree; Borel code; analytic formula; coanalytic set; set-theoretical model; extensions of models PDFBibTeX XMLCite \textit{V. G. Kanovej}, Sib. Mat. Zh. 24, No. 2(138), 56--76 (1983; Zbl 0518.03018) Full Text: EuDML