Martin's Axiom and Maximal Orthogonal Families
Abstract
It is shown that Martin's Axiom for sigma-centred partial orders implies that every maximal orthogonal family in RN is of size 2aleph0
0
Turn this paper into a full lesson
ArcXiv compiles a staged curriculum from this paper: 8-12 lessons across beginner → advanced, synthesised section guides, visuals, flashcards, a quiz, exercises, and on-demand deep dives per section. Grounded in the abstract, never invented.