Su alcune masse fortemente atomiche
Abstract
In this paper we prove that if
is a positive charge on ℕ such that every two-valued charge
determines a principal ultrafilter on ℕ, then for every
, the range
is a closed set.
![\mu](http://siba-ese.unile.it/plugins/generic/latexRender/cache/c9faf6ead2cd2c2187bd943488de1d0a.png)
![𝛽 ≤ \mu](http://siba-ese.unile.it/plugins/generic/latexRender/cache/85e510795b0e78a510a55e057c83116c.png)
![A⊂ ℕ](http://siba-ese.unile.it/plugins/generic/latexRender/cache/9675f3ae5917d9fcd49dc5b92ff9bed8.png)
![\mu (P(A))](http://siba-ese.unile.it/plugins/generic/latexRender/cache/bf072e00d032644f9f27bddb6640392d.png)
DOI Code:
10.1285/i15900932v4n1p87
Full Text: PDF