A note on the eightfold way
arXiv:1901.02940
Abstract
Assuming the existence of a Mahlo cardinal, we construct a model in which there exists an -Aronszajn tree, the -approachability property fails, and every stationary subset of reflects.
arXiv:1901.02940
Assuming the existence of a Mahlo cardinal, we construct a model in which there exists an -Aronszajn tree, the -approachability property fails, and every stationary subset of reflects.