We present a construction of an uncountable subset of the reals which belongs to every \s-ideal $I$ on ${\mathbb R}$\ with the property that there is no uncountable family of disjoint Borel sets outside $I$.
@article{1150118749,
author = {Zakrzewski, Piotr},
title = {On a construction of universally small sets.},
journal = {Real Anal. Exchange},
volume = {28},
number = {1},
year = {2002},
pages = { 215-221},
language = {en},
url = {http://dml.mathdoc.fr/item/1150118749}
}
Zakrzewski, Piotr. On a construction of universally small sets.. Real Anal. Exchange, Tome 28 (2002) no. 1, pp. 215-221. http://gdmltest.u-ga.fr/item/1150118749/