I remember my oldest son, Steve, saying to me once, 'I don't ever remember seeing you with an apron on.' And I thought, that's right, honey, you did not. That was his concept of what a mother should be.
A further point is that, little by little, in the current universe, everything is slowly being named; nor does this have anything to do with the older Aristotelian universals in which the idea of a chair subsumes all its individual manifestations.
A new era in the physiological investigation of linguistic sounds was opened up by X-ray photography.

