Department of Computer Science
King's College London
Strand
London WC2R 2LS
United Kingdom
 szabolcs@dcs.kcl.ac.uk 
  http://www.dcs.kcl.ac.uk/staff/szabolcs/
 
The aim of this paper is to show on a toy example that the mosaic method can serve as an alternative to standard modal logical techniques in the realm of products of modal logics.