A proof (involving Martin's axiom) of a partition relation
Embedding of Boolean algebras in Ρ(ω)/fin
Structural properties of ideals
CONTENTSPreface.............................................................................................. 5Chapter I. Preliminaries................................................................. 61. Notation and terminology.......................................................... 62. Results from the literature......................................................... 93. Definitions and basic properties.............................................. 11Chapter II. Subnormality and coherence.......................................
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