Charaktery bodů v zůstatku N nejsou menší než subměřitelné hakrdinály menší nebo rovny kontinuu. Těsnota součinu vějířů nemusí vždy narůstat. (cs)
It is hown that characters of points in remainder of N are not smaller than any submeasurable cardinal less or equal to continuum, and that products of fans need not always increase tightness.
It is hown that characters of points in remainder of N are not smaller than any submeasurable cardinal less or equal to continuum, and that products of fans need not always increase tightness. (en)