Full Idea
Most of our categories …are formed automatically and unconsciously as a result of functioning in the world.
Gist of Idea
We mostly categorise by engagement with the world
Source
G Lakoff / M Johnson (Philosophy in the Flesh [1999], 03)
A Reaction
I think this was Aristotle's view, since he just identifies the categories which our minds utilise, with no thought for their logic or their malleability. I take it for granted that all animals categorise their environment into types of entity.
Book Reference
Lakoff,G/Johnson,M: 'Philosophy in the Flesh' [Basic Books 1999], p.18