1. Institute of Mathematics, University of Silesia, Bankowa 14, 40-007, Katowice, Poland 2. Institute of Mathematics, Jan Kochanowski University, ?wi?tokrzyska 15, 25-406, Kielce, Poland
Abstract:
The aim of this paper is to show that every infinite Boolean algebra which admits a countable minimally acting group contains a dense projective subalgebra.