Jörg Brendle - Some problems about cardinal invariants

New channel Kurt Gödel Research Center: title sample judged 'whole' (This is an academic archive of research-level set theory and logic seminar talks/lectures from a university research cen); passed a second screen for sellers/exam-prep/re-uploads; 0 of 3 sampled transcripts showed teaching, 0 not; titles picked one by one, checked strictly; oEmbed verified.