Cancellation laws in the arithmetic of cardinals
Alfred Tarski (1949)
Fundamenta Mathematicae
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Alfred Tarski (1949)
Fundamenta Mathematicae
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J. Novák (1962)
Fundamenta Mathematicae
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Kiriakouli, P. Ch. (2000)
Serdica Mathematical Journal
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If ξ is a countable ordinal and (fk) a sequence of real-valued functions we define the repeated averages of order ξ of (fk). By using a partition theorem of Nash-Williams for families of finite subsets of positive integers it is proved that if ξ is a countable ordinal then every sequence (fk) of real-valued functions has a subsequence (f'k) such that either every sequence of repeated averages of order ξ of (f'k) converges uniformly to zero or no sequence of repeated averages of order...
Andrzej Białynicki-Birula, J. Browkin, Andrzej Schinzel (1959)
Colloquium Mathematicae
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Coke Reed (1970)
Fundamenta Mathematicae
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M. Weiss, G. Weiss (1963)
Studia Mathematica
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P. L. Ganguli, Benoy Kumar Lahiri (1968)
Czechoslovak Mathematical Journal
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Vera Sós (1960)
Colloquium Mathematicae
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