Erdős problem 1068Does every graph with chromatic number ℵ1\aleph_1 contain a countable subgraph which is infinitely connected?WorkspaceContinue locallyOpen sourceSign in to contributeOpen this exact Problem, source revision, and authority Repository in Workbench. This handoff does not clone, switch, upload, or execute anything.FilesErdős problem 10682 retained source recordsCanvaspublic previewSource#1068→ResultNone→Checks0