Category	Definition	Example(s)
Fake	Simplified models good enough for specific purposes	AI
Imaginary	Something we can never create1	AGI, ASI
Real	Exists	Human minds

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1. In the story of the Tower of Babel, though humans might have the raw power and technical ability to build anything, their endeavours fail regardless – because the flavour of ambition required ironically causes people to stop building and start fighting. ↩