Coherent Adequate Sets and Forcing Square [article]

John Krueger
2014 arXiv   pre-print
We introduce the idea of a coherent adequate set of models, which can be used as side conditions in forcing. As an application we define a forcing poset which adds a square sequence on ω_2 using finite conditions.
arXiv:1406.3309v1 fatcat:oh6q7ibyh5hxxalr5qbjcg53u4