منابع مشابه
Forcing with Propositional Lindenbaum Algebras
We prove equivalence between the forcing with propositional Lindenbaum algebras and the Cohen forcing with finite partial functions.
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A partial Lindenbaum algebra TA, where A is a theory extending Peano arithmetic and T G {LTn,£n}, is the full Lindenbaum algebra for A restricted to sentences in A provably equivalent to rn-sentences. Using a new result on pairs of partially conservative sentences, we show that Tl£ and E^ are not isomorphic.
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It is proved that if A is aregular uniform algebra on a compact Hausdorff space X in which every closed ideal is an M-ideal, then A = C(X).
متن کاملUniform Algebras on Curves
The proofs use the notion of analytic structure in a maximal ideal space. J. Wermer first obtained results along these lines and further contributions were made by E. Bishop and H. Royden and then by G. Stolzenberg [5] who proved STOLZENBERG'S THEOREM. Let XQC be a polynomially convex set. Let KQC be a finite union of Q-curves. Then (XKJK)*—X\JK is a {possibly empty) pure 1-dimensional analytic...
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ژورنال
عنوان ژورنال: Notre Dame Journal of Formal Logic
سال: 2014
ISSN: 0029-4527
DOI: 10.1215/00294527-2798754