Oh thank you ChatGPT4: You understand Dewey Decimal properly. A classification of the various worlds you offer in Dewey Decimal. Next I’ll have to do Aspects.
Dream world, Imagination world, Fictional world, Mythical world, Magical world:
800 – Literature, Rhetoric & Criticism
(Specific subcategories may depend on the type of literature, such as 808.3 for works of fiction or 809 for literary history and criticism)
Reality world, Physical world:
100 – Philosophy & Psychology (for ontology, metaphysics)
or
500 – Natural Sciences & Mathematics (for the study of the physical world)
Hypothetical world, Alternate world, Futuristic world:
500 – Natural Sciences & Mathematics (for scientific speculation)
Virtual world, Digital world, Cyber world, Augmented world:
000 – General Works (for computer science, information, and general works on technology)
Quantum world:
530 – Physics (with a focus on quantum mechanics)
Parallel world:
523 – Astronomy (for cosmology and multiverse theories)
Gaming world:
794 – Indoor Games & Amusements (for video games)
Social world:
300 – Social Sciences (for sociology and social interaction)
Micro world, Macro world:
570 – Life Sciences (for biology, microbiology)
or
530 – Physics (for classical mechanics)
Spiritual world:
200 – Religion (for spirituality and religious beliefs)
Underwater world:
577 – Ecology & Environmental Sciences (for aquatic ecosystems)
Outer space world:
520 – Astronomy & Allied Sciences
Supernatural world:
130 – Parapsychology & Occultism (for supernatural beliefs and phenomena)
Prehistoric world:
560 – Paleontology; Paleozoology (for the study of prehistoric life)
Post-apocalyptic world, Dystopian world, Utopian world:
800 – Literature, Rhetoric & Criticism (specifically for works of fiction within these genres)
Historical world:
900 – History & Geography (for historical periods and settings)
Natural world, Terrestrial world, Celestial world:
500 – Natural Sciences & Mathematics (for the study of natural environments, Earth, and celestial objects)
Artificial world:
600 – Technology (Applied Sciences) (for engineering and constructed environments)
Terminus world, Endless world:
These concepts may not have a specific classification in the Dewey Decimal System, as they are more abstract ideas. They could potentially be placed under Philosophy (100) or within the context of a specific field (e.g., physics or cosmology).