are the types of things (considered to be) found to exist in nature – that is, it is assumed that the natural world is made up of certain types of things, each type with its own essence: e.g., dogs, planets, mitochondria, etc.
natural kinds
Prof. Keith S. Taber's site
are the types of things (considered to be) found to exist in nature – that is, it is assumed that the natural world is made up of certain types of things, each type with its own essence: e.g., dogs, planets, mitochondria, etc.