Miroslav Repick\'y
Cohen real and disjoint refinement of perfect sets

Comment.Math.Univ.Carolinae 41,1 (2000) 179-181.

Abstract:We prove that if there exists a Cohen real over a model, then the family of perfect sets coded in the model has a disjoint refinement by perfect sets.

Keywords: Sacks forcing, Cohen real, disjoint refinement
AMS Subject Classification: 03E40