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20022005
most citedAlgebras of Measurements: the logical structure of Quantum Mechanics

10 citations

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math.LO2002★ 1 cited

Duality and the pcf theory

Saharon Shelah, Jindrich Zapletal

We consider natural cardinal invariants hm_n and prove several duality theorems, saying roughly: if I is a suitably definable ideal and provably cov(I)>=hm_n, then non(I) is provab…

math.LO2002

Strongly meager sets of size continuum

Tomek Bartoszynski, Saharon Shelah

We construct several models where there are no strongly meager sets of size continuum. In particular, there are no such sets in the Laver's model.