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Sweet & sour and other flavours of ccc forcing notions

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Abstract.

We continue developing the general theory of forcing notions built with the use of norms on possibilities, this time concentrating on ccc forcing notions and classifying them.

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The first author thanks the Hebrew University of Jerusalem for its hospitality during his visits to Jerusalem. His research was also partially supported by a grant from the University Committee on Research of UNO

The research of the second author was partially supported by the Israel Science Foundation. Publication 672

Mathematics Subject Classification (2000): Primary 03E35 Secondary; 03E40, 03E05

Revised version: 30 September 2003

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Rosłanowski, A., Shelah, S. Sweet & sour and other flavours of ccc forcing notions. Arch. Math. Logic 43, 583–663 (2004). https://doi.org/10.1007/s00153-004-0213-7

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