EN
CONTENTS
Introduction..................................................................................................................................................5
I. Topological forcing..................................................................................................................................8
1.1. Preliminaries.......................................................................................................................................8
1.2. Languages, satisfaction, and relative constructibility..................................................................10
1.3. Forcing..................................................................................................................................................15
1.4. Adding a set of generic sets.............................................................................................................26
1.5. Adding a proper class of generic sets...........................................................................................26
1.6. Collapsing cardinals.........................................................................................................................33
II. Reflection principles and their consequences................................................................................39
2.1. Reflection principles..........................................................................................................................39
2.2. The Tree and Ramsey properties...................................................................................................46
III. Application to relative consistency results.......................................................................................50
3.1. The main result...................................................................................................................................50
3.2. A converse consistency result..........................................................................................................54
References..................................................................................................................................................58