Σ12 and Π11 mad families

Research output: Contribution to journalJournal articleResearchpeer-review

We answer in the affirmative the following question of Jörg Brendle: If there is a Σ12 mad family, is there then a Π11 mad family?
Original languageEnglish
JournalJournal of Symbolic Logic
Volume78
Issue number4
Pages (from-to)1181-1182
ISSN0022-4812
DOIs
Publication statusPublished - 2013

ID: 117198562