This from Descent of Man (henceforth DoM). When a dog recognizes another dog a great distance away, it doesn't think of this or that individual, but of dog in general.
This example is weak: you might be unable to distinguish whether THIS dog is Fido or Rover, but you are still thinking of THIS dog at this place and time, not of being-a-dog as common to many individuals at different places and times. The latter and not the former constitutes abstract thought.
Sorry, Charlie.
Comments