I think the multiple meanings of the symbol "existence" should be taken into consideration in any such discussion: https://en.m.wikipedia.org/wiki/Semiotics ht

I think the multiple meanings of the symbol "existence" should be taken into consideration in any such discussion: https://en.m.wikipedia.org/wiki/Semiotics https://en.m.wikipedia.org/wiki/Semiotics https://en.m.wikipedia.org/wiki/Ontology https://en.m.wikipedia.org/wiki/Ontology https://en.m.wikipedia.org/wiki/Consciousness https://en.m.wikipedia.org/wiki/Consciousness And Popper has an interesting relevant theory: https://en.m.wikipedia.org/wiki/Popper%27s_three_worlds https://en.m.wikipedia.org/wiki/Popper%27s_three_worlds And of course: https://en.m.wikipedia.org/wiki/Reality https://en.m.wikipedia.org/wiki/Reality