Quotients with a shrinking basis
Volume 213 / 2012
                    
                    
                        Studia Mathematica 213 (2012), 189-190                    
                                        
                        MSC: Primary 46B15; Secondary 46B45.                    
                                        
                        DOI: 10.4064/sm213-2-5                    
                                    
                                                Abstract
We present a simple proof of a theorem that yields as a corollary a result of Valdivia that sharpens an old result of Johnson and Rosenthal.