"Nothing" can be a slippery concept. See for example Robert Lawrence Kuhn's nine levels/types of nothing: * https://closertotruth.com/news/levels-of-nothing-by

"Nothing" can be a slippery concept. See for example Robert Lawrence Kuhn's nine levels/types of nothing: * https://closertotruth.com/news/levels-of-nothing-by-robert-lawrence-kuhn/ https://closertotruth.com/news/levels-of-nothing-by-robert-l... Also various physicists: * https://blogs.scientificamerican.com/observations/physicists-debate-the-many-varieties-of-nothingness/ https://blogs.scientificamerican.com/observations/physicists... The general field of the study of being: * https://en.wikipedia.org/wiki/Ontology https://en.wikipedia.org/wiki/Ontology