Rodney G. Downey, Denis R. Hirschfeldt, Steffen Lempp, Reed Solomon. A delta:::0:::::2:: Set with No Infinite Low Subset in Either It or Its Complement. Journal of Symbolic Logic, 66(3):1371-1381, 2001.
@article{DowneyHLS01, title = {A delta:::0:::::2:: Set with No Infinite Low Subset in Either It or Its Complement}, author = {Rodney G. Downey and Denis R. Hirschfeldt and Steffen Lempp and Reed Solomon}, year = {2001}, researchr = {https://researchr.org/publication/DowneyHLS01}, cites = {0}, citedby = {0}, journal = {Journal of Symbolic Logic}, volume = {66}, number = {3}, pages = {1371-1381}, }