The definition of "featherless biped" might have more practical merit, because you can at least check for feathers and count limbs touching the ground in a mostly reliable fashion.
We have no way to "check for qualia" at all. For all we know, an ECU in a year 2002 Toyota Hilux has it, but 10% of all humans don't.
The definition of "featherless biped" might have more practical merit, because you can at least check for feathers and count limbs touching the ground in a mostly reliable fashion.
We have no way to "check for qualia" at all. For all we know, an ECU in a year 2002 Toyota Hilux has it, but 10% of all humans don't.