thanks , this is relevant to Rosch's prototype theory I've been reading on recently https://en.wikipedia.org/wiki/Prototype_theory https://en.wikipedia.org/wiki

thanks , this is relevant to Rosch's prototype theory I've been reading on recently https://en.wikipedia.org/wiki/Prototype_theory https://en.wikipedia.org/wiki/Prototype_theory, and also Gärdenfors' conceptual spaces, which is more modern and has some neurophysiological basis: https://en.wikipedia.org/wiki/Conceptual_space https://en.wikipedia.org/wiki/Conceptual_space OP, sorry for hijacking the thread