A new construction of non-constructible Δ13 subset of ω
Jensen, Ronald ; Johnsbråten, Håvard
Fundamenta Mathematicae, Tome 85 (1974), p. 279-290 / Harvested from The Polish Digital Mathematics Library
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Publié le : 1974-01-01
EUDML-ID : urn:eudml:doc:214645 
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     author = {Ronald Jensen and H\aa vard Johnsbr\aa ten},
     title = {A new construction of non-constructible ${$\Delta$^1}\_3$ subset of $\omega$},
     journal = {Fundamenta Mathematicae},
     volume = {85},
     year = {1974},
     pages = {279-290},
     zbl = {0289.02048},
     language = {en},
     url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv81i1p25bwm}
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Jensen, Ronald; Johnsbråten, Håvard. A new construction of non-constructible ${Δ^1}_3$ subset of ω. Fundamenta Mathematicae, Tome 85 (1974) pp. 279-290. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv81i1p25bwm/